var xmlHttp;
var xobj;
function showHTML(obj,str){ 
	xobj=obj; 
	var url=str; 
	xmlHttp=GetXmlHttpObject(stateChanged);
	xmlHttp.open("GET", url , true);
	xmlHttp.send(null);
}
 
function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
		xobj.innerHTML=xmlHttp.responseText;
} 

function GetXmlHttpObject(handler){ 
	var objXmlHttp=null;
	if (navigator.userAgent.indexOf("Opera")>=0){
		alert("This example doesnt 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
	}
}