function showContent(url) { 
	xmlHttp=GetXmlHttpObject(stateChanged);
	xmlHttp.open("GET", url , true);
	xmlHttp.send(null);
} 

function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		document.getElementById(div).innerHTML=xmlHttp.responseText;
	} 
} 

function stateChangedPopup() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		opener.document.getElementById(div).innerHTML=xmlHttp.responseText;
	} 
} 

function GetXmlHttpObject(handler) { 
	var objXmlHttp=null;

	if (navigator.userAgent.indexOf("Opera")>=0) {
		alert("This example doesn't work in Opera"); 
		return; 
	}
	if (navigator.userAgent.indexOf("MSIE")>=0) { 
		var strName="Msxml2.XMLHTTP";
		if (navigator.appVersion.indexOf("MSIE 5.5")>=0) {
			strName="Microsoft.XMLHTTP";
		} 
		try { 
			objXmlHttp=new ActiveXObject(strName);
			objXmlHttp.onreadystatechange=handler; 
			return objXmlHttp;
		} 
		catch(e) { 
			alert("Error. Scripting for ActiveX might be disabled"); 
			return; 
		} 
	} 
	if (navigator.userAgent.indexOf("Mozilla")>=0) {
		objXmlHttp=new XMLHttpRequest();
		objXmlHttp.onload=handler;
		objXmlHttp.onerror=handler; 
		return objXmlHttp;
	}
}