var isNS4 = (navigator.appName=="Netscape")?1:0;
var tickertimer;
var refresh_after = '180000';
var request_interval;
var do_getstr_reading = false;
var ticker_running = false;
var http_request = false;
var TICKER_RIGHTTOLEFT = false;
var TICKER_SPEED = 1;
var TICKER_STYLE = "font-family:Arial; font-size:12px; color:#ffffff";
var TICKER_PAUSED = false;

function makeRequest(url, parameters){
	http_request = false;
    if (window.XMLHttpRequest)
    {
		http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType)
        {
			http_request.overrideMimeType('text/xml');
        }
    }
    else if (window.ActiveXObject)
    {
		try
        {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e)
        {
			try
            {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch (e)
            {
            }
         }
	}
    if (!http_request)
    {
		alert('Your browser does not support XMLHTTP, Please download Firefox 3+');
		return false;
	}
    http_request.onreadystatechange = alertContents;
    http_request.open('GET', url + parameters, true);
    http_request.send(null);
}

function alertContents()
{
	if (http_request.readyState == 4)
    {
		if (http_request.status == 200)
        {
			var txtdoc = http_request.responseText;
			document.getElementById("TICKER_BODY").innerHTML = txtdoc;
            do_getstr_reading = false;
         }
         else
         {
			window.location.href = 'index.php';
         }
	}
}

function ticker_start() {
	var tickerSupported = false;
	TICKER_WIDTH = document.getElementById("tckrscrl").style.width;
	var img = "<img src='img/blank.gif' id='tickimg' width='"+TICKER_WIDTH+"' height=0>";
	var img2 = "<img src='img/blank.gif' id='tickimg2' width='"+TICKER_WIDTH+"' height=0>";

	// Firefox
	if (navigator.userAgent.indexOf("Firefox")!=-1 || navigator.userAgent.indexOf("Safari")!=-1) {
		document.getElementById("tckrscrl").innerHTML = "<TABLE  cellspacing='0' id='ticktbl' cellpadding='0' width='100%'><TR><TD nowrap='nowrap'>"+img+"<SPAN style='"+TICKER_STYLE+"' ID='TICKER_BODY' width='100%'>&nbsp;</SPAN>"+img2+"</TD></TR></TABLE>";
		tickerSupported = true;
	}
	// IE
	if (navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1) {
		document.getElementById("tckrscrl").innerHTML = "<DIV nowrap='nowrap' id='ticktbl' style='width:100%;'>"+img+"<SPAN style='"+TICKER_STYLE+"' ID='TICKER_BODY' width='100%'></SPAN>"+img+"</DIV>";
		tickerSupported = true;
	}
	if(!tickerSupported) document.getElementById("tckrscrl").outerHTML = ""; else {
		document.getElementById("tckrscrl").scrollLeft = TICKER_RIGHTTOLEFT ? document.getElementById("tckrscrl").scrollWidth - document.getElementById("tckrscrl").offsetWidth : 0;
		document.getElementById("TICKER_BODY").innerHTML = TICKER_CONTENT;
		document.getElementById("tckrscrl").style.display="block";
		TICKER_tick();
	}
}

function TICKER_tick() {
	if(!TICKER_PAUSED) document.getElementById("tckrscrl").scrollLeft += TICKER_SPEED * (TICKER_RIGHTTOLEFT ? -1 : 1);
	if(TICKER_RIGHTTOLEFT && document.getElementById("tckrscrl").scrollLeft <= 0) document.getElementById("tckrscrl").scrollLeft = document.getElementById("tckrscrl").scrollWidth - document.getElementById("tckrscrl").offsetWidth;
	if(!TICKER_RIGHTTOLEFT && document.getElementById("tckrscrl").scrollLeft >= document.getElementById("tckrscrl").scrollWidth - document.getElementById("tckrscrl").offsetWidth) document.getElementById("tckrscrl").scrollLeft = 0;
	tickertimer = window.setTimeout("TICKER_tick()", 30);
}

function do_getstr()
{
	if(do_getstr_reading == true) return;
   	do_getstr_reading = true;
   	makeRequest('tickerdata.php', '');
}

function LTStart()
{
	request_interval = window.setInterval(do_getstr,refresh_after);
	ticker_start();
}

window.onload=LTStart;