// JavaScript Document
var oXHR = false;
var mozillaFlag = false;
var requestSource;

if (window.XMLHttpRequest){
	oXHR = new XMLHttpRequest();
	if (oXHR.overrideMimeType) {
		oXHR.overrideMimeType('text/xml');
	}
} else if (window.ActiveXObject) {
	oXHR = new ActiveXObject("Microsoft.XMLHTTP");
}


function grabData(reqsource){
	if (oXHR){
		oXHR.open("GET", reqsource, true);
		oXHR.onreadystatechange = function(){
			if (oXHR.readyState == 4 && oXHR.status == 200){
				var xmlDoc = oXHR.responseXML;	
				parseXML(xmlDoc);
			}
		}
		oXHR.setRequestHeader( "If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT" );
		oXHR.send(null);		
	}
}