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/*
Ajax stream loader by Phil.

To Use:
1. Load into your document with <script type="text/javascript" src="ajax.js" />
2. Call the _init function in your body tag with <body onLoad="_init()">
*/

var xmlHttp;
var theOutput = "";
var response;

function refreshStream() {
	xmlHttp = GetXmlHttpObject();

	if (xmlHttp == null) {
		alert ("Your browser does not support AJAX!");
		return;
	}

	var url = "/SiteCP/check_if_switched.php?rnd=" + Math.random();

	xmlHttp.onreadystatechange = stateChanged;
	xmlHttp.open("GET", url, true);
	xmlHttp.send(null);
}

function stateChanged() {
        if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 

		response = xmlHttp.responseText.toString();

		if (theOutput == "") {
			theOutput = xmlHttp.responseText.toString();
		}
		else {
			if (theOutput.toLowerCase() != response.toLowerCase()) {
				document.getElementById("the_video").innerHTML = xmlHttp.responseText;
				theOutput = xmlHttp.responseText.toString();
			}
		}
		_init();
	}
}

function GetXmlHttpObject() {
	var xmlHttp=null;

	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}

	catch (e) {
		// Internet Explorer
		try {
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}

		catch (e) {
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function _init() {
	setTimeout(refreshStream, 10000); // Check every 10 seconds if the stream has changed
}