var WMP = 0;
var QT = 0;
var lineHeight;
var checksum=-1;
var expanded_names = new Array();
var time_offset = 0;
var pending_comments = new Array();
var last_update = 0;
var interval=5000;
var dt = new Date();
var lastspoke = dt.getTime();

var req = new Array();

function getFolder()
{
        return "http://www.nshsa.org.uk/public";
}

function decrypt(comment)
{
return comment;
       var decrypted = "";
        for(i=0; i<comment.length; i++)
        {
                var o = comment.charCodeAt(i)-1;
                        /*        if(o>=65&&o<=90)
                                {
                                        o--;
                                        if(o<65) o+=26;
                                }
                                if(o>=97&&o<=122)
                                {
                                        o--;
                                        if(o<97) o+=26;
                                }*/
                decrypted += String.fromCharCode(o);
        }


        return decrypted;
        //        return comment;
}

function encrypt(comment)
{
return comment;
        var encrypted = "";
        for(i=0; i<comment.length; i++)
        {



                var o = comment.charCodeAt(i)+1;
                        /*        if(o>=65&&o<=90)
                                {
                                        o++;
                                        if(o<65) o+=26;
                                }
                                if(o>=ord('a')&&o<=ord('z'))
                                {
                                        o++;
                                        if(o<97) o+=26;
                                }*/
                encrypted += String.fromCharCode(o);
        }
        return encrypted;
       //         return comment;
}

function trim(str)
{
   return str.replace(/^\s*|\s*$/g,"");
}

function enter()
{
var dt = new Date();
lastspoke = dt.getTime();
    var c=document.enter_form.a.value;
    var comment_id=document.enter_form.comment_id.value;
        document.enter_form.comment_id.value=parseInt(comment_id)+1;
    c = trim(c);
    if(c!="")
    {
            c = replaceAll(c,"\r","");
            c = replaceAll(c,"\n","");

            // swearing and mortification here
            c = deswear(c);
            c = mortify(c);

            var offset = get_cookie("time_offset");///60;

            var today = new Date();
                        var unixtime = today.getTime();
            var h = today.getHours();
            var m = today.getMinutes();
            var s = today.getSeconds();
                        var secs = ((h*3600)+(m*60)+s-offset);
                        while(secs<0) secs += (24*60*60);
            time = Math.floor(secs/60);
            h = Math.floor(time/60);
            m = Math.floor(time%60);
            h = h%24;
            m = m%60;
            if(h<10) h = "0"+h;
            if(m<10) m = "0"+m;

            var user = get_cookie("username");
                        pending_comments[pending_comments.length] = comment_id+":"+unixtime+";"+comment_id+";"+c;
                        writeline(h+":"+m,user,c,comment_id);

                        if(get_cookie("online")=="on")
                                document.forms['quicksettings_form'].elements['dozing_ctl'].checked = 0;

           // c = encrypt(c);

          //  c = replaceAll(c,"#","!£hash!£");

                        c = escape(c);
//alert("http://www.nshsa.org.uk/public/enterhandler.php?cid="+comment_id+"&"+c);
            loadXMLDoc("http://www.nshsa.org.uk/public/enterhandler.php?cid="+comment_id+"&time="+unixtime+"&"+c,8);
    }

        document.getElementById('enter_text').style.visibility = 'visible';
        document.getElementById('enter_area').style.visibility = 'hidden';
        document.forms['enter_form'].elements['enter_text'].value = "";
        document.forms['enter_form'].elements['enter_area'].value = "";
        document.getElementById('enter_size_ref').style.width = document.getElementById('enter_area').offsetWidth;
        document.getElementById('enter_size_ref').innerHTML = "";
        document.forms['enter_form'].elements['enter_text'].focus();
        document.getElementById('chat').style.borderBottomWidth = 25;
    scroll();

    interval-=1500;
    if(interval<1000) interval=1000;
    if(interval>3000) interval=3000;

}

function replaceAll( str, from, to ) {

        var s = "";
        while(s!=str)
        {
                s = str;
        str = str.replace( RegExp(from), to );
    }


    return str;
}

function replace(comment,start,length,word)
{
        if(comment.charAt(start+2)<'a') word = word.toUpperCase();
        else if(comment.charAt(start)<'a') word = word.charAt(0).toUpperCase()+word.substring(1);

        comment = comment.substring(0,start)+word+comment.substring(start+length);
        return comment;
}

function deswear(comment)
{
        var comment_nourls = comment;
        var at=0;
        var start, rep, n;
    while(1)
    {
        start = comment_nourls.toLowerCase().indexOf("http://",at);
        if( start != -1 )
        {
            end = comment_nourls.indexOf(" ",start);
            if(end==-1) end = comment_nourls.length;
                        rep = "";
                        for(n=0; n<(end-start); n++) rep += "-";
                        comment_nourls = comment_nourls.substring(0,start)+rep+comment_nourls.substring(end);
        }
        else break;
    }

    for(n=0; n<naughty.length; n++)
    {
        if(comment_nourls.toLowerCase().search(RegExp("^"+naughty[n]+"([^A-Za-z]|$)"))==0)
                {
                        comment_nourls = replace(comment_nourls,0,naughty[n].length,nice[n]);
                        comment = replace(comment,0,naughty[n].length,nice[n]);


                }

        at = comment_nourls.toLowerCase().search(RegExp("([^A-Za-z])"+naughty[n]+"([^A-Za-z]|$)"));

        while(at!=-1)
        {
            comment_nourls = replace(comment_nourls,at+1,naughty[n].length,nice[n]);
            comment = replace(comment,at+1,naughty[n].length,nice[n]);
            at = comment_nourls.toLowerCase().search(RegExp("([^A-Za-z])"+naughty[n]+"([^A-Za-z]|$)"));
        }
    }
    return comment;
}

function mortify(comment)
{
        var today = new Date();
        var now = today.getTime()/1000;

    if((get_cookie('shocked')>now-get_cookie("time_offset"))&&(get_cookie('shocked')<now-get_cookie("time_offset")+180))
    {
                newcomment = "";
                while(comment.length>0)
                {
                        r = Math.random()*(comment.length);
                        newcomment += comment.substr(r,1);
                        comment = comment.substr(0,r)+comment.substr(r+1);
                }
                comment = newcomment;
    }
    else delete_cookie('shocked');
        return comment;
}

function setfocus()
{
        if(document.getElementById('enter_area').style.visibility == 'visible') document.forms['enter_form'].elements['enter_area'].focus();
        else document.forms['enter_form'].elements['enter_text'].focus();
}


function scroll()
{
        if(get_cookie("autoscroll")!=="off")
        {
                // scrollTop doesn't always work first time in IE or Opera so we do it a few times

                for(var n=0; n<10; n++){
                var then,now; then=new Date().getTime();
                now=then;
                while((now-then)<20)
                {now=new Date().getTime();}
                document.getElementById('chat').scrollTop = 999999;
                }
        }
}

function set_cookie(name, value)
{
        delete_cookie(name);
    document.cookie= name + "=" + escape(value);
}

function get_cookie(name)
{
        var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
        dc = dc.replace(/\+/g," ");
    dc = unescape(dc.substring(begin + prefix.length, end));
        if(dc=="-deleted-") dc="";
        return dc;
}

function delete_cookie(name)
{
    if (get_cookie(name))
    {
                document.cookie= name + "=-deleted-";
        document.cookie = name + "=" +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

var _xmlHttp=null;

function getXMLHTTP(){
  var A=null;
  try{
    A=new ActiveXObject("Msxml2.XMLHTTP")
  }catch(e){
    try{
      A=new ActiveXObject("Microsoft.XMLHTTP")
    } catch(oc){
      A=null
    }
  }
  if(!A && typeof XMLHttpRequest != "undefined") {
    A=new XMLHttpRequest()
  }
  return A
}

function loadXMLDoc(url,type)
{
        var h = 0;
        if(type==1) h = processXMLReqChange;
        else if(type==2) h = loadOptions;
        else if(type==3) h = loadHistory;
        else if(type==4) h = loadHistoryAdv;
        else if(type==5) h = loadHistoryMonth;
        else if(type==6) h = doUpdate;
        else if(type==7) h = displayHistory;
        else if(type==8) h = entryHandled;
        else type = 0;

    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
        req[type] = new XMLHttpRequest();
                if(h!=0) req[type].onreadystatechange = h;
        req[type].open("GET", url, true);
        req[type].send(null);
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        req[type] = new ActiveXObject("Microsoft.XMLHTTP");
        if (req[type]) {
                        if(h!=0) req[type].onreadystatechange = h;
            req[type].open("GET", url, true);
            req[type].send();
        }
    }
}
function findURL(comment,domain,at)
{
        var n, domain_at, s;
        for(n=0; n<20; n++) // should loop until it returns but limit it to be safe
        {
                domain_at = comment.toLowerCase().indexOf(domain,at);
                s=domain_at;
                if(s==-1) return -1;
                if(comment.length==s+domain.length || comment.charAt(s+domain.length)==' ' || comment.charAt(s+domain.length)=='/' || comment.charAt(s+domain.length)=='.' || comment.charAt(s+domain.length)==',' || comment.charAt(s+domain.length)=='?' || comment.charAt(s+domain.length)==')')
                {
                        while(s-1>-1 && comment.charAt(s-1)!=' ') s--;
                        if(s>=at) return s;
                }
                at = domain_at+1;
        }
        return -1;
}
var domains = new Array(".com",".org",".net",".co",".me",".biz",".info",".tv");

function writeline(time,user,comment,cid)
{
    d=document;
    var message = false;
    var server_message = false;
    if(time=="" && user=="") message=true;

    if(!message) comment = time+" "+user+": "+comment;
    if(message && comment=="Trouble connecting to server. Messages may not be sent or received.")
            server_message = true;

    if(server_message && document.getElementById("server_message")!=null) return;

    comment = trim(comment);
        comment = unescape(comment);
    at=0;

    p=d.createElement('P');
    if(message)
    {
                if(server_message)
                {
                        p.setAttribute("id","server_message");
                }
            i=d.createElement("i");
            x=d.createTextNode(comment);
            i.appendChild(x);
            p.appendChild(i);
    }

    else
    {
            p.setAttribute("id","comment"+cid);
            while(1)
            {
                prefix = "";
                start = comment.toLowerCase().indexOf("http://",at);
                start2 = comment.toLowerCase().indexOf("www.",at);
                for(j=0; j<domains.length; j++)
                {
                    start3 = findURL(comment,domains[j],at);
                    if(start2==-1 || (start3!=-1 && start3<start2)) start2=start3;
                }

                if(start==-1 || (start2!=-1 && start2<start))
                {
                    start=start2;
                    prefix = "http://";
                }

                if( start != -1 )
                {
                        end = comment.indexOf(" ",start);
                        if(end==-1) end = comment.length;
                        if(comment.charAt(end-1)=='.' || comment.charAt(end-1)=='?' || comment.charAt(end-1)==',' || comment.charAt(end-1)==')' ) end--;
                        url = comment.substring(start,end);
                        if(url.indexOf("@")>0 && (url.indexOf("/")==-1 || url.indexOf("/") > url.indexOf("@")) && prefix == "http://")
                        {
                                // it's an email address
                                prefix = "mailto:";
                        }
                        if(url.length>50) urlshort = url.substring(0,47)+"...";
                        else urlshort = url;
                        x=d.createTextNode(comment.substring(0,start));
                        p.appendChild(x);
                        a=d.createElement("a");
                        ax=d.createTextNode(urlshort);
                        a.appendChild(ax);
                        a.setAttribute("href", prefix+url);
                        a.setAttribute("title", prefix+url);
                        a.setAttribute("target", "new");
                        a.setAttribute("onclick", "javascript:setfocus();");
                        p.appendChild(a);
                        comment = comment.substring(end);
                }
                else break;
            }

            x=d.createTextNode(comment);
            p.appendChild(x);
    }
    d.getElementById('chat').appendChild(p);
}

function writehistoryline(time,day,month,year,disptime,user,comment)
{
    d=document;

        comment = disptime+" "+user+": "+comment;

    comment = trim(comment);
//comment = replaceUnicode(comment);

comment = unescape(comment);
        at=0;

        p=d.createElement('P');

        while(1)
        {
                start = comment.toLowerCase().indexOf("http://",at);
                if( start != -1 )
                {
                        end = comment.indexOf(" ",start);
                        if(end==-1) end = comment.length;
                        url = comment.substring(start,end);
                        if(url.length>50) urlshort = url.substring(0,47)+"...";
                        else urlshort = url;

                        a=d.createElement("a");
                        a.setAttribute('name',time);
                        ax=d.createTextNode(comment.substring(0,start));
                        a.appendChild(ax);
                        a.setAttribute("href", "showhistory.php?day="+day+"&month="+month+"&year="+year+"#"+time);
                        a.setAttribute("target", "new");
                        p.appendChild(a);

                        a=d.createElement("a");
                        ax=d.createTextNode(urlshort);
                        a.appendChild(ax);
                        a.setAttribute("href", url);
                        a.setAttribute("title", url);
                        a.setAttribute("target", "new");
                        p.appendChild(a);
                        comment = comment.substring(end);
                }
                else break;
        }

        a=d.createElement("a");
        ax=d.createTextNode(comment);
        a.appendChild(ax);
        a.setAttribute("name",time);
        a.setAttribute("href", "showhistory.php?day="+day+"&month="+month+"&year="+year+"#"+time);
        a.setAttribute("target", "new");
        p.appendChild(a);
        d.getElementById('search').appendChild(p);
}

function entryHandled()
{
        if (req[8].readyState == 4)
        {
                if (req[8].status == 200)
                {
                        cid  =  req[8].responseText;
                        for(j=0; j<pending_comments.length; j++)
                        {
                                if(pending_comments[j].substring(0,cid.length+1)==cid+":")
                                {
                                        pending_comments[j]=pending_comments[pending_comments.length-1];
                                        pending_comments.length--;
                                        break;
                                }
                        }
                }
        }
}

function displayHistory()
{
                if (req[7].readyState == 4)
                {
                        if (req[7].status == 200)
                        {
                                response  =  req[7].responseText.split("\r\n");
                                var url = response[response.length-1];
                                var anchor = response[response.length-2];
                                var i;
                                for(i=0; i<response.length-7; i+=7)
                                {
                                        writehistoryline(response[i],response[i+1],response[i+2],response[i+3],response[i+4],response[i+5],response[i+6]);
                                }
                                if(url)
                                {
                                        loadXMLDoc(getFolder()+url,7);
                                }
                                else
                                {
                                        if(document.getElementById("search").innerHTML == "")
                                                document.getElementById("searching").innerHTML = top.document.title+" - No results found";
                                        else document.getElementById("searching").innerHTML = top.document.title+" - Search complete";
                                }

                                var target = location.hash.substring(1);
                                if(target!="" && target==anchor)
                                {
                                        location.hash = target;
                                }
                        }
                }
}

        var clockID = 0;

        var thinking=0;
        var output = 0;

        function loadOptions()
        {
                if (req[2].readyState == 4)
                {
                        if (req[2].status == 200)
                        {
                                document.getElementById('options').innerHTML = req[2].responseText;
                                hideClass('sidebar');
                                showClass('options');
                        }
                }
        }

        function loadHistory()
        {
                if (req[3].readyState == 4)
                {
                        if (req[3].status == 200)
                        {
                                document.getElementById('history').innerHTML = req[3].responseText;
                                hideClass('sidebar');
                                showClass('history');
                        }
                }
        }

        function loadHistoryAdv()
        {
                if (req[4].readyState == 4)
                {
                        if (req[4].status == 200)
                        {
                                document.getElementById('history_adv').innerHTML = req[4].responseText;
                                hideClass('history',1);
                                showClass('history_adv');
                        }
                }
        }

        function getMonth(yr,mn)
        {
                var ym = yr+"_"+mn;
                if(document.getElementById('history'+ym).innerHTML!='Working...' && document.getElementById('history'+ym).style.visibility=='visible')
                {
                        document.getElementById('history'+ym).style.visibility='hidden';
                        document.getElementById('history'+ym).style.position='absolute';
                }
                else
                {
                        if(document.getElementById('history'+ym).innerHTML=='Working...')
                        {
                                loadXMLDoc('http://www.nshsa.org.uk/public/historymonth.php?year='+yr+'&month='+mn+'&r='+Math.random(),5);
                        }
                        document.getElementById('history'+ym).style.visibility='visible';
                        document.getElementById('history'+ym).style.position='relative';
                }
        }

        function loadHistoryMonth()
        {
                if (req[5].readyState == 4)
                {
                        if (req[5].status == 200)
                        {
                                response  =  req[5].responseText.split("\r\n");
                                if(response.length>2)
                                {
                                        var s = "<table><tr>";
                                        for(var n=2; n<response.length; n++)
                                        {
                                                s += "<td align=center><a href='showhistory.php?day="+response[n]+"&month="+response[1]+"&year="+response[0]+"' TARGET='new' onclick='javascript:setfocus();'>"+response[n]+"</a><td>";
                                                if(n%4==1) s+= "</tr><tr>";
                                        }
                                        s += "</tr></table>";
                                        document.getElementById('history'+response[0]+'_'+response[1]).innerHTML = s;
                                }
                        }
                }
        }

        function processXMLReqChange()
        {
                // only if req shows "complete"
                if (req[1].readyState == 4)
                {
                        // only if "OK"
                        if (req[1].status == 200)


                        {
                                        if(document.getElementById("server_message")!=null)
                                                d.getElementById('chat').removeChild(document.getElementById("server_message"));
                                var j, today, z, cid;
                                today = new Date();
                                var now = today.getTime();
                                last_update = now;
                                response  =  req[1].responseText.split("\r\n");
                                var op = output;
                                var server_h = -1;
                                var server_m, server_s;
                                outputted = false;
                                i=0
                                line = "";
                                if(i<response.length) line = response[i];
                                if(line=="#BA") // BANNED
                                {
                                        location.href= "index.php";
                                         set_cookie('twunt',"fuck off alex");
                                        return;
                                }
                                if(line=="#TO") // TIME OFFSET
                                {
                                        var h = today.getHours();
                                        var m = today.getMinutes();
                                        var s = today.getSeconds();
                                        server_h = response[i+1];
                                        server_m = response[i+2];
                                        server_s = response[i+3];
                                        var offset = (h*3600+m*60+s)-(server_h*3600+server_m*60+server_s*1); // without the *1 it treats server_s as a string and appends it
                                        set_cookie("time_offset",offset);

                                        i+=4;

                                        if(i<response.length) line = response[i];
                                        else line = "";
                                }
                                if(line=="#DO") // DOZING
                                {
                                        document.forms['quicksettings_form'].elements['dozing_ctl'].checked = 1;
                                        i++;
                                        if(i<response.length) line = response[i];
                                        else line = "";
                                }
                                while(line=="#NU") // NUDGE
                                {
                                        writeline("","",response[i+1]+" has sent you a nudge");
                                        scroll();
                                        send_nudge();
                                        i+=2;
                                        if(i<response.length) line = response[i];
                                        else line = "";
                                }
                                if(line=="#CO") // COMMENTS
                                {
                                        for(i+=1;i<response.length && response[i].substring(0,1)!=="#";)
                                        {
                                                if(response[i].substring(0,1)!=":")
                                                {
                                                        if(response[i+3]>output)
                                                        {
                                                                time = response[i];
                                                                name = response[i+1];
                                                                comment = response[i+2];
                                                                writeline(time,name,comment,0);
                                                                outputted = true;
                                                                output = response[i+3];
                                                        }
                                                        i+=4;
                                                }
                                                else
                                                {
                                                        cid = response[i].substring(1);
                                                        output = response[i+1];
                                                        for(j=0; j<pending_comments.length; j++)
                                                        {
                                                                if(pending_comments[j].substring(0,cid.length+1)==cid+":")
                                                                {
                                        pending_comments[j]=pending_comments[pending_comments.length-1];
                                        pending_comments.length--;
                                                                        break;
                                                                }
                                                        }
                                                        i+=2;
                                                }
                                        }
                                        if(i<response.length) line = response[i];
                                        else line = "";
                                        if(outputted == true)
                                        {
                                                scroll();
                                                bp = get_cookie("beep_post");
                                                if(bp == "" || bp == null ) bp = "off";
                                                if(bp != "off" && op != 0)
                                                {
                                                                // Problems caused by beeps if we just do an embed here:
                                                                // 1. Two Firefox windows, chatroom underneath. Beep brings it to the top
                                                                // 2. Beep grabs focus from input box
                                                                beep_post();
                                                }
                                        }
                                }
                                if(line=="#AR") // ARRIVAL
                                {
                                        beep_arrival();
                                        i++;
                                        if(i<response.length) line = response[i];
                                        else line = "";
                                }
                                if(line=="#OL")
                                {
                                        var above_txt = "";
                                        var below_txt = "";
                                        var below = false;var name;
                                        var title;
                                        var text;
                                        i++;
                                        checksum = response[i];
                                        var ignored = false;
                                        for(i+=1;i<response.length && response[i].substring(0,1)!=="#"; i++)
                                        {
                                                if(response[i].charAt(0)=='-')
                                                {
                                                        below = true;
                                                }
                                                else if(response[i].charAt(0)!=' ')
                                                {
                                                        if(!below) above_txt+=response[i]+"<br>";
                                                        else below_txt+=response[i]+"<br>";
                                                        if(response[i]=="<b>Ignored:</b>") ignored=true;
                                                }
                                                else
                                                {
                                                        name = unescape(response[i].substring(1));
                                                        i++;
                                                        title = unescape(response[i].substring(1));
                                                        i++;
                                                        allow_nudges = unescape(response[i].substring(1));
                                                        i++;
                                                        regular = unescape(response[i].substring(1));
                                                        text = "<a title=\""+title+"\" href=\"javascript:void(0);\" onclick=\"if(findExpanded('"+name+"')){document.getElementById('name_"+i+"').style.visibility='hidden'; document.getElementById('name_"+i+"').style.position='absolute'; document.getElementById('name_"+i+"').style.width='0'; document.getElementById('name_"+i+"').style.overflow='hidden'; deleteExpanded('"+name+"');}else{document.getElementById('name_"+i+"').style.visibility='visible'; document.getElementById('name_"+i+"').style.position = 'relative'; document.getElementById('name_"+i+"').style.width='100%'; document.getElementById('name_"+i+"').style.overflow='visible'; addExpanded('"+name+"');} setfocus();\">"+name+"</a>";
                                                                                                                text += "<br>";
                                                        text += "<div id=\"name_"+i+"\" class=\"sidebar\" style=\"";
                                                        if(findExpanded(name)) text += "visibility:visible: position:relative; width: 100%; overflow: visible;";
                                                        else text += "visibility:hidden; position:absolute; width:0; overflow: hidden;";
                                                        text += "\">";
                                                        text += "<small>";
                                                        if(title) text += "<i>"+title+"</i><br>";
                                                        if(allow_nudges==1)
                                                                text += "<a href=\"javascript:void(0);\" onclick=\"loadXMLDoc('http://www.nshsa.org.uk/public/updatevar.php?nudge="+name+"&'+Math.random(),0); writeline('','','You have nudged "+name+"'); setTimeout('send_nudge()', 1); scroll(); setfocus();\">Nudge "+name+"</a><br>";
                                                        text += "<a href=\"javascript:void(0);\" onclick=\"loadXMLDoc('http://www.nshsa.org.uk/public/updatevar.php?";
                                                        if(ignored) text += "unignore="+name+"',6); setfocus();\">Unignore "+name+"</a><br>";
                                                        else text += "ignore="+name+"',6); setfocus();\">Ignore "+name+"</a><br>";
                                                                                                                              text += "</small>";
                                                        text += "</div>";
                                                        if(!below) above_txt+=text;
                                                        else below_txt+=text;
                                                }
                                        }
                                        document.getElementById('onlineabove').innerHTML = above_txt;
                                        document.getElementById('onlinebelow').innerHTML = below_txt;

                                        if(i<response.length) line = response[i];
                                        else line = "";
                                }
                                if(line=="#TI") // TITLE
                                {
                                        top.document.title = unescape(response[i+1]);
                                        i+=2;
                                        if(i<response.length) line = response[i];
                                }

                                if(outputted==true)
                                {
                                        interval-=1500;
                                        if(interval<1000) interval=1000;
                                        if(interval>3000) interval=3000;
                                            }
                                else if(outputted==false)
                                {
                                        interval+=250;
                                        if(interval>15000) interval=15000;
                                    }

                                //alert(pending_comments.length);

                                for(j=0; j<pending_comments.length; j++)
                                {
                                        time = pending_comments[j].substring(pending_comments[j].indexOf(':')+1,pending_comments[j].indexOf(';'));
                                //        writeline("","",pending_comments[j]+","+time+","+now);

                                        var server_time = new Date();
                                        server_time -= offset;
                                        if(time<server_time-65000 && time>server_time-3600000) // if it's over an hour old, forget it. Mainly to avoid having to address midnight issues
                                        {
                                        z = pending_comments[j].substring(pending_comments[j].indexOf(';')+1);
                                        z = z.substring(z.indexOf(';')+1);
                                        writeline("","","The following comment could not be sent: "+z);
                                        scroll();
                                        pending_comments[j]=pending_comments[pending_comments.length-1];
                                        pending_comments.length--;
                                        j--;
                                        }
                                        else if(time<now-1000)
                                        {
                                        time = pending_comments[j].substring(pending_comments[j].indexOf(':')+1,pending_comments[j].indexOf(';'));
                                                z = pending_comments[j].substring(pending_comments[j].indexOf(';')+1);
                                                cid = z.substring(0,z.indexOf(';'));
                                                z = z.substring(cid.length+1);
                                                var user = get_cookie("username");
                        //        writeline("","","resending "+z);
                                                z = escape(z);
                                                loadXMLDoc("http://www.nshsa.org.uk/public/enterhandler.php?cid="+cid+"&time="+time+"&"+z,8);
                                        }
                                }

                        }
                        thinking = 0;
                }
        }

        function update()
        {
                clockID = setTimeout("update()", interval);
                doUpdate();
        }

        function doUpdate()
        {
                var dt = new Date();
                var now = dt.getTime();
                if(lastspoke<now-7200000) document.location.href = "index.php?logout=1";
                if(last_update!=0 && last_update<now-60000)
                {
                        writeline("","","Trouble connecting to server. Messages may not be sent or received.");
                        scroll();
                        last_update = now+60000;
                }

                if(thinking==0 || thinking < now-20000)
                {
                        thinking = now;
                        var to = "";
                        if(time_offset<thinking-60000)
                        {
                                to = "&to=y";
                        }
                        loadXMLDoc("http://www.nshsa.org.uk/public/updatexml.php?op="+output+"&cs="+checksum+to,1);
                }
        }

        function startTimer()
        {
          clockID = setTimeout("update()", 5000);
        }

        function endTimer()
        {
          if(clockID)
          {
            clearTimeout(clockID);
            clockID  = 0;
          }
        }

        function hideClass(classname,squash)
        {
                if (document.getElementsByTagName)
                {
                        var els = document.getElementsByTagName("*");
                        var c = new RegExp('/b^|' + classname + '|$/b');
                        for (var i=0; i < els.length; i++)
                        {
                                if (els[i].className)
                                {
                                        if(c.test(els[i].className))
                                        {
                                                els[i].style.visibility = 'hidden';
                                                if(els[i].id != classname) els[i].style.position = 'absolute';
                                        }
                                }
                        }
                }
                document.getElementById(classname).style.right = '10000';
        }

        function showClass(classname)
        {
                document.getElementById(classname).style.visibility = 'visible';
                document.getElementById(classname).style.right = '0';
                document.getElementById(classname).style.bottom = '25';
        }

        function setTimeOffset()
        {
                var today = new Date();
                var h = today.getHours();
                var m = today.getMinutes();
                var s = today.getSeconds();
                var server_h = 1;
                var server_m = 59;
                var server_s = 27;
                var offset = (h*3600+m*60+s)-(server_h*3600+server_m*60+server_s*1); // without the *1 it treats server_s as a string and appends it
                set_cookie("time_offset",offset);
        }

        function changed(initid,formid,next)
        {
                var v = top.document.forms['options_form'].elements[formid].value;
                var onreadystatechange = 0;
                if(formid=='title_text_ctl') onreadystatechange = 6;
                loadXMLDoc('http://www.nshsa.org.uk/public/updatevar.php?set'+initid+'=y&value='+escape(v),onreadystatechange);
                if(next != "") top.document.forms['options_form'].elements[next].focus();

                if(formid=='beep_arrival_ctl' && !WMP && QT)
                {
                  //      document.getElementById('beep_arrival_div').innerHTML='<embed src=beeps/'+v+' autostart=false hidden=true id=arrival enablejavascript=true front=false>';
                }
                if(formid=='beep_post_ctl' && !WMP && QT)
                {
                  //      document.getElementById('beep_post_div').innerHTML='<embed src=beeps/'+v+' autostart=false hidden=true id=post enablejavascript=true front=false>';
                }

                if(formid=='chatbgcolor_ctl'){ modifyStyleProperty('#chat','backgroundColor',v); }
                if(formid=='chattxcolor_ctl')
                {
                        modifyStyleProperty('#chat','color',v);
                        modifyStyleProperty('#chat a','color',v);
                }
                if(formid=='sidebgcolor_ctl')
                {
                        modifyStyleProperty('body','backgroundColor',v);
                        modifyStyleProperty('tr','backgroundColor',v);
                        modifyStyleProperty('#chat','borderColor',v);
                        modifyStyleProperty('#enter','borderColor',v);
                        modifyStyleProperty('#sidebar','borderColor',v);
                        modifyStyleProperty('#options','borderColor',v);
                        modifyStyleProperty('#history','borderColor',v);
                        modifyStyleProperty('#history_adv','borderColor',v);
                }
                if(formid=='sidetxcolor_ctl')
                {
                        modifyStyleProperty('body','color',v);
                        modifyStyleProperty('tr','color',v);
                        modifyStyleProperty('a','color',v);
                }
                if(formid=='chat_font_ctl'){ modifyStyleProperty('#chat','fontFamily',v); scroll(); }
                if(formid=='chat_fontsz_ctl'){ modifyStyleProperty('#chat','fontSize',v); scroll(); }
                if(formid=='side_font_ctl')
                {
                        modifyStyleProperty('body','fontFamily',v);
                        modifyStyleProperty('tr','fontFamily',v);
                }
                if(formid=='side_fontsz_ctl')
                {
                        modifyStyleProperty('body','fontSize',v);
                        modifyStyleProperty('tr','fontSize',v);
                }
                if(formid=='side_font_ctl' || formid=='side_fontsz_ctl')
                {
                        // a horrible hack to force absolutely positioned objects to update fonts correctly in firefox
                        top.document.getElementById('options').style.position = 'relative';
                        top.document.getElementById('options').style.position = 'absolute';
                        top.document.getElementById('sidebar').style.position = 'relative';
                        top.document.getElementById('sidebar').style.position = 'absolute';
                        top.document.getElementById('history').style.position = 'relative';
                        top.document.getElementById('history').style.position = 'absolute';
                        top.document.getElementById('history_adv').style.position = 'relative';
                        top.document.getElementById('history_adv').style.position = 'absolute';
                        top.document.getElementById('quicksettings').style.position = 'relative';
                        top.document.getElementById('quicksettings').style.position = 'absolute';
                }
        }

function changedcheckbox(initid,formid,next)
{
        var onreadystatechange = 0;
        if(formid=='list_users_ctl') onreadystatechange = 6;
        if(document.forms['options_form'].elements[formid].checked==true)
                loadXMLDoc('http://www.nshsa.org.uk/public/updatevar.php?'+initid+'=on',onreadystatechange);
        else
                loadXMLDoc('http://www.nshsa.org.uk/public/updatevar.php?'+initid+'=off',onreadystatechange);
}

function setStyleByTag(e, p, v)
{
                var elements = top.document.getElementsByTagName(e);
                for(var i = 0; i < elements.length; i++) {
                        elements.item(i).style[p] = v;
                }


}

function modifyStyleProperty(style,property,value)
{
        var mysheet=top.document.styleSheets[0];
        var myrules=mysheet.cssRules? mysheet.cssRules: mysheet.rules;
        for (var i=0; i<myrules.length; i++)
        {
                if(myrules[i].selectorText.toLowerCase()==style)
                {
                        myrules[i].style[property] = value;
                        return;
                }
        }
}


function beep_post()
{
		dobeep();
/*	var bp = get_cookie("beep_post");
	if(bp == "" || bp == null ) return;
        if(WMP)
        {
                var streamURL = "beeps/"+get_cookie("beep_post");
                document.getElementById("beep_post").fileName = streamURL;

                if(document.getElementById("beep_post_mozilla"))
                document.getElementById("beep_post_mozilla").innerHTML = '<embed type="application/x-mplayer2" pluginspage="http://microsoft.com/windows/mediaplayer/en/download/" showControls="0" width="0" height="0" src="'+streamURL+'"></embed>';
        
        }
        else if(QT)
        {
	        
                var thissound=document.getElementById("post");
                thissound.Play();
                
        }*/
}

function beep_arrival()
{
		dobeep();
/*	var bp = get_cookie("beep_arrival");
	if(bp == "" || bp == null ) return;
        if(WMP)
        {
                var streamURL = "beeps/"+get_cookie("beep_arrival");
                document.getElementById("beep_arrival").fileName = streamURL;
                if(document.getElementById("beep_arrival_mozilla"))
                document.getElementById("beep_arrival_mozilla").innerHTML = '<embed type="application/x-mplayer2" pluginspage="http://microsoft.com/windows/mediaplayer/en/download/" showControls="0" width="0" height="0" src="'+streamURL+'"></embed>';
        }
        else if(QT)
        {
                var thissound=document.getElementById("arrival");
                thissound.Play();
        }*/
}

function send_nudge()
{
		dobeep();
 /*       if(WMP)
        {
                var streamURL = "nudge.wav";
                document.getElementById("nudge").fileName = streamURL;
                if(document.getElementById("nudge_mozilla"))
                document.getElementById("nudge_mozilla").innerHTML = '<embed type="application/x-mplayer2" pluginspage="http://microsoft.com/windows/mediaplayer/en/download/" showControls="0" width="0" height="0" src="'+streamURL+'"></embed>';
        }
        else if(QT)
        {
                var thissound=document.getElementById("nudge");
                thissound.Play();
        }*/
}

function hidePalette(palette)
{
        document.getElementById(palette).style.visibility='hidden';
        document.getElementById(palette).style.height=0;
        document.getElementById(palette).style.position='absolute';
}

function showPalette(palette,color)
{
        document.getElementById(palette).src='palette.php?field='+color;
        document.getElementById(palette).style.visibility='visible';
        document.getElementById(palette).style.height=100;
        document.getElementById(palette).style.position='relative';
}

function toggleSidebar()
{
        var x=document.forms['quicksettings_form'].elements['sidebar_ctl'].checked;
        loadXMLDoc('http://www.nshsa.org.uk/public/updatevar.php?setsidebar=y&state='+x,0);
        if(x==true)
        {
                showClass('sidebar');
                document.getElementById('chat').style.borderRightWidth = 220;
        }
        else
        {
                hideClass('sidebar',1);
                hideClass('options',1);
                hideClass('history',1);
                hideClass('history_adv',1);
                document.getElementById('chat').style.borderRightWidth = 0;
        }
}

function toggleScroll()
{
        loadXMLDoc('http://www.nshsa.org.uk/public/updatevar.php?setscroll=y&state='+document.forms['quicksettings_form'].elements['scroll_ctl'].checked,0);
}

function toggleOnline()
{
        loadXMLDoc('http://www.nshsa.org.uk/public/updatevar.php?setdozing=y&state='+document.forms['quicksettings_form'].elements['dozing_ctl'].checked,6);
}

function removeNewLines(text)


{
        var before;
        do
        {
                before = text;
                text = text.replace(String.fromCharCode(13)," ");
                text = text.replace(String.fromCharCode(10)," ");
        }while(text!=before);
        return text;
}

function updateTextEntry(field)
{
        var text = document.forms['enter_form'].elements[field].value;

        if(field=='enter_area')
        {
                text = removeNewLines(text);
        }

        var lines = Math.floor(document.getElementById('enter_size_ref').offsetHeight/lineHeight);
        var z = "";
        if(field=='enter_area') for(var i=0; i<lines; i++) z += "xxxx";
        z += text;
        document.getElementById('enter_size_ref').innerHTML = z;
        lines = Math.floor(document.getElementById('enter_size_ref').offsetHeight/lineHeight);
        if(lines>10) lines=10;
        document.getElementById('enter_area').rows = lines;

        var caretpos;
        var chatBorder;
        if(field=='enter_text' && lines>1)
        {
                document.forms['enter_form'].elements['enter_area'].value = text;

                caretpos = doGetCaretPosition(document.forms['enter_form'].elements['enter_text']);

                document.getElementById('enter_area').style.visibility = 'visible';
                document.getElementById('enter_text').style.visibility = 'hidden';
                document.forms['enter_form'].elements['enter_area'].focus();
                doSetCaretPosition(document.forms['enter_form'].elements['enter_area'],caretpos);
                chatBorder = document.getElementById('enter_area').offsetHeight;
        }
        else if(field=='enter_area' && lines<=1)
        {
                document.forms['enter_form'].elements['enter_text'].value = text;
                caretpos = doGetCaretPosition(document.forms['enter_form'].elements['enter_area']);
                document.getElementById('enter_text').style.visibility = 'visible';
                document.getElementById('enter_area').style.visibility = 'hidden';
                document.forms['enter_form'].elements['enter_text'].focus();
                doSetCaretPosition(document.forms['enter_form'].elements['enter_text'],caretpos);
                chatBorder = 25;
        }
        else if(field=='enter_text') chatBorder = 25;
        else chatBorder = document.getElementById('enter_area').offsetHeight;

        var currentBorder = document.getElementById('chat').style.bottom;
        if(currentBorder=='') currentBorder = '25px';
        currentBorder = currentBorder.substring(0,currentBorder.length-2);

        var offset = chatBorder - currentBorder;
        if(currentBorder<chatBorder)
        {
                document.getElementById('chat').style.bottom = chatBorder;
                document.getElementById('chat').style.borderBottomWidth = chatBorder;
                document.getElementById('chat').scrollTop = document.getElementById('chat').scrollTop + offset;
        }
        else
        {
                document.getElementById('chat').scrollTop = document.getElementById('chat').scrollTop + offset;
                document.getElementById('chat').style.bottom = chatBorder;
        }
}

function doGetCaretPosition (oField)
{
        var iCaretPos = 0;
        if (document.selection)
        {
                oField.focus ();
                var oSel = document.selection.createRange ();
                oSel.moveStart ('character', -oField.value.length);
                iCaretPos = oSel.text.length;
        }
        else if (oField.selectionStart || oField.selectionStart == '0')
                iCaretPos = oField.selectionStart;

        return (iCaretPos);
}

function doSetCaretPosition (oField, iCaretPos)
{
        if (document.selection)
        {
                range = oField.createTextRange();
                range.moveStart("character",iCaretPos);
                range.collapse();
                range.select();
        }
        else if (oField.selectionStart || oField.selectionStart == '0')
        {
                oField.selectionStart = iCaretPos;
                oField.selectionEnd = iCaretPos;
                oField.focus ();
        }
}

function textareakeypress(e)
{
        var keycode;
        if (window.event) keycode = window.event.keyCode;
        else if (e) keycode = e.which;
        else return true;

        if (keycode == 13)
        {
           document.forms['enter_form'].elements['enter_text'].value = removeNewLines(document.forms['enter_form'].elements['enter_area'].value);
           enter();
           return false;
        }
        else
           return true;
}

function setup()
{
        setfocus();
        setTimeOffset();
        startTimer();
        lineHeight = document.getElementById('enter_size_ref').offsetHeight/5;
        document.getElementById('enter_size_ref').style.width = document.getElementById('enter_area').offsetWidth;
        document.getElementById('enter_text').style.width = document.getElementById('enter_area').offsetWidth;
        document.getElementById('enter_size_ref').innerHTML = "";

	if(!canjava()) document.getElementById("beepapplet").innerHTML = '<applet id="beep" code="beep.class" width="0" height="0">';
	
   /*     WMP = gotWMP();
        if(WMP)
        {
                document.getElementById('beep_post_div').innerHTML = "<object id='beep_post' classid='CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95'"
                +"codebase='http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701'"
                +"type='application/x-oleobject' width='0' height='0'>"
                +"<param name='fileName' value=''>"
                +"<param name='autoStart' value='true'>"
                +"<param name='loop' value='false'>"
                +"<param name='showControls' value='false'>"
                +"<param name='showaudiocontrols' value='false'>"
                +"<param name='showpositioncontrols' value='false'>"
                +"<div id=beep_post_mozilla>"
                +"<embed type='application/x-mplayer2' pluginspage='http://microsoft.com/windows/mediaplayer/en/download/' showaudiocontrols='0' showpositioncontrols='0' showControls='0' width='0' height='0'></embed>"
                +"<div>"
                +"</object>";

                document.getElementById('beep_arrival_div').innerHTML = "<object id='beep_arrival' classid='CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95'"
                +"codebase='http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701'"
                +"type='application/x-oleobject' width='0' height='0'>"
                +"<param name='fileName' value=''>"
                +"<param name='autoStart' value='true'>"
                +"<param name='loop' value='false'>"
                +"<param name='showControls' value='false'>"
                +"<param name='showaudiocontrols' value='false'>"
                +"<param name='showpositioncontrols' value='false'>"
                +"<div id=beep_arrival_mozilla>"
                +"<embed type='application/x-mplayer2' pluginspage='http://microsoft.com/windows/mediaplayer/en/download/' showaudiocontrols='0' showpositioncontrols='0' showControls='0' width='0' height='0'></embed>"
                +"<div>"
                +"</object>";

                document.getElementById('nudge_div').innerHTML = "<object id='nudge' classid='CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95'"
                +"codebase='http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701'"
                +"type='application/x-oleobject' width='0' height='0'>"
                +"<param name='fileName' value=''>"
                +"<param name='autoStart' value='true'>"
                +"<param name='loop' value='false'>"
                +"<param name='showControls' value='false'>"
                +"<param name='showaudiocontrols' value='false'>"
                +"<param name='showpositioncontrols' value='false'>"
                +"<div id=nudge_mozilla>"
                +"<embed type='application/x-mplayer2' pluginspage='http://microsoft.com/windows/mediaplayer/en/download/' showaudiocontrols='0' showpositioncontrols='0' showControls='0' width='0' height='0'></embed>"
                +"<div>"
                +"</object>";
        }
        else
        {
                QT = gotQuicktime();
                if(QT)
                {
document.getElementById('beep_post_div').innerHTML = "<embed src='' autostart=false hidden=true id='post' enablejavascript='true' front='false'>";document.getElementById('beep_arrival_div').innerHTML = "<embed src='' autostart=false hidden=true id='arrival' enablejavascript='true' front='false'>";document.getElementById('nudge_div').innerHTML = "<embed src='nudge.wav' autostart=false hidden=true id='nudge' enablejavascript='true' front='false'>";                }
        }*/
}

function addExpanded(name)
{
        expanded_names[expanded_names.length] = name;
}

function deleteExpanded(name)
{
        for(var i=0; i<expanded_names.length; i++)
        {
                if(expanded_names[i]==name)
                {
                                        expanded_names[i]=expanded_names[expanded_names.length-1];
                                        expanded_names.length--;
                        return;
                }
        }
}

function findExpanded(name)
{
        for(var i=0; i<expanded_names.length; i++)
        {
                if(expanded_names[i]==name)
                {
                        return true;
                }
        }
        return false;
}

function gotWMP()
{
        var agt=navigator.userAgent.toLowerCase();
        var appVer = navigator.appVersion.toLowerCase();
        var is_minor = parseFloat(appVer);
        var is_opera = (agt.indexOf("opera") != -1);
        var iePos  = appVer.indexOf('msie');
        if (iePos !=-1) is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)));  //added missing ; - 030617 - bdn
        var is_konq = false;
        var kqPos   = agt.indexOf('konqueror');
        if (kqPos !=-1)
        {
                is_konq  = true;
                is_minor = parseFloat(agt.substring(kqPos+10,agt.indexOf(';',kqPos)));
        }
        var is_safari = ((agt.indexOf('safari')!=-1)&&(agt.indexOf('mac')!=-1))?true:false;
        var is_khtml  = (is_safari || is_konq);
        var is_gecko = ((!is_khtml)&&(navigator.product)&&(navigator.product.toLowerCase()=="gecko"))?true:false;
        var is_moz   = ((agt.indexOf('mozilla/5')!=-1) && (agt.indexOf('spoofer')==-1) &&
                (agt.indexOf('compatible')==-1) && (agt.indexOf('opera')==-1)  &&
                (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)     &&
                (is_gecko) &&
                ((navigator.vendor=="")||(navigator.vendor=="Mozilla")));
        if (is_moz)
        {
                is_minor = (navigator.vendorSub)?navigator.vendorSub:0;
        }
        var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)
                && (!is_khtml) && (!(is_moz)));
        if ((navigator.vendor)&&
                ((navigator.vendor=="Netscape6")||(navigator.vendor=="Netscape"))&&
                (is_nav))
        {
                is_minor = parseFloat(navigator.vendorSub);
        }
        var is_ie   = ((iePos!=-1) && (!is_opera) && (!is_khtml));
        var is_ie4up = (is_ie && is_minor >= 4);
        var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
        var is_WMP = false;
        if (is_win&&is_ie4up)  //use ActiveX test
        {
                var objMediaPlayer;
                try
                {
                        objMediaPlayer = new ActiveXObject("MediaPlayer.MediaPlayer.1");
                        is_WMP = true;
                }
                catch(objError)
                {
                        is_WMP = false;
                }
        }
        else
        {
                var numPlugins = navigator.plugins.length;
                for (var i = 0; i < numPlugins; i++)
                {
                        if (navigator.plugins[i].name.substring(0,20)=="Windows Media Player")
                        {
                                is_WMP = true;
                        }
                }
        }

        return is_WMP;
}

function gotQuicktime() {
   var agent = navigator.userAgent.toLowerCase();
   var quicktimeVersion;
   // NS3+, Opera3+, IE5+ Mac (support plugin array):  check for Quicktime plugin in plugin array
   if (navigator.plugins != null && navigator.plugins.length > 0) {
      for (i=0; i < navigator.plugins.length; i++ ) {
         var plugin =navigator.plugins[i];
         if (plugin.name.indexOf("QuickTime") > -1) {
            quicktimeVersion = parseFloat(plugin.name.substring(18));
         }
      }
   }

   // IE4+ Win32:  attempt to create an ActiveX object using VBScript
   else if (agent.indexOf("msie") != -1 && parseInt(navigator.appVersion) >= 4 && agent.indexOf("win")!=-1 && agent.indexOf("16bit")==-1) {
     quicktimeVersion=1;
  }

   // Can't detect in all other cases
   else {
      quicktimeVersion = 1;
   }

   return (quicktimeVersion>0);
}


function canjava()
{
	try{ java; }
	catch(e){ return false; }
	return true;
}

function dobeep()
{
	if(canjava()) java.awt.Toolkit.getDefaultToolkit().beep();
	else document.getElementById("beep").beep();
}