function LoadAjaxData(url,vars,doact) {
	var xmlHttp = GetXmlHttpObject();
	if (xmlHttp == null){
		return;
		}
	xmlHttp.onreadystatechange = function () { 
		if((xmlHttp.readyState == 4) && (xmlHttp.status == 200)) {
			if ( doact != "" ) doact(xmlHttp.responseText);
			}
		};
	var ajaxURL = url+'?ajax=1&rnd='+Math.random()+vars;
	xmlHttp.open('GET', ajaxURL , true);
	xmlHttp.send(null);
	} 

function GetXmlHttpObject() { 
	var objXMLHttp = null;
	if (window.XMLHttpRequest) {
		objXMLHttp = new XMLHttpRequest();
		if (objXMLHttp.overrideMimeType) {
			objXMLHttp.overrideMimeType('text/xml');
			}
		} else if (window.ActiveXObject) {
		objXMLHttp=new ActiveXObject('Microsoft.XMLHTTP');
		}
	return objXMLHttp;
	}