var xmlHttp

function getData(url) { 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	} 
	//alert(url);

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

function stateChanged() { 
	if (xmlHttp.readyState==4/* && xmlhttp.status == 200*/) {
		document.getElementById("content").innerHTML=xmlHttp.responseText;
	}
}

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;
}