var xmlhttp;
function loadXMLDoc(url)
{
	xmlhttp=null;
	if (window.XMLHttpRequest)
	{// code for Firefox, Opera, IE7, etc.
		xmlhttp=new XMLHttpRequest();
	}
	else if (window.ActiveXObject)
	{// code for IE6, IE5
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	if (xmlhttp!=null)
	{
		xmlhttp.onreadystatechange=state_Change;
		xmlhttp.open("GET",url,true);
		xmlhttp.send(null);
	}
	else
	{
		alert("Your browser does not support XMLHTTP.");
	}
}

function state_Change()
{
	if (xmlhttp.readyState==4)
	{// 4 = "loaded"
		if (xmlhttp.status==200)
		{// 200 = "OK"
			document.getElementById('contentText').innerHTML=xmlhttp.responseText;
		}
		else
		{
			alert("Problem retrieving data:" + xmlhttp.statusText);
		}
	}
}