var req;
 function loadXMLDoc() {
	url = _locale_url + "script/onair/?" + Math.random();
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
		req.onreadystatechange = processReqChange;
        	req.open("GET", url, true);
		req.send(null);
	} else if (window.ActiveXObject) {
        	isIE = true;
	        req = new ActiveXObject("Microsoft.XMLHTTP");
        	if (req) {
			req.onreadystatechange = processReqChange;
			req.open("GET", url, true);
			req.send();
		}
	}
 }

 function processReqChange() {
	if (req.readyState == 4) {
		if (req.status == 200) {
			response = req.responseText;
			document.getElementById("tx").innerHTML = response;
			aw = document.getElementById("tx").offsetWidth;
		}
	}
 }

 function start_load(){
	loadXMLDoc();
	setTimeout("start_load()",5000);
 }

 var tWidth='150px';
 var tHeight='15px';
 var tcolour='#ffffff';
 var moStop=true;
 var fontfamily = 'Tahoma,sans-serif';
 var tSpeed=3;
 var content='<span id=on_air></span>';

 var cps=tSpeed;
 var aw, mq;
 var fsz = parseInt(tHeight) - 4;

 function startticker(){
	if (document.getElementById) {
		var tick = '<div style="position:relative;width:'+tWidth+';height:'+tHeight+';overflow:hidden;background-color:'+tcolour+'"';
		if (moStop) tick += ' onmouseover="cps=0" onmouseout="cps=tSpeed"';
		tick +='><div id="mq" style="position:absolute;left:0px;top:0px;font-family:'+fontfamily+';font-size:'+fsz+'px;white-space:nowrap;"><\/div><\/div>';

		document.getElementById('ticker').innerHTML = tick;
		mq = document.getElementById("mq");
		mq.style.left=(parseInt(tWidth)+10)+"px";
		mq.innerHTML='<span id="tx">'+content+'<\/span>';
		lefttime=setInterval("scrollticker()",50);
	}
 } 

 function scrollticker(){
	mq.style.left = (parseInt(mq.style.left)>(-10 - aw)) ?parseInt(mq.style.left)-cps+"px" : parseInt(tWidth)+10+"px";
 }