var xmlHttp

function GetXmlHttpObject()
{ 
	var objXMLHttp=null

	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	
	return objXMLHttp
} 

function GetXml(url)
{
	var returnValue = "";
	var xmlObj;

	xmlHttp=GetXmlHttpObject()

	if (xmlHttp == null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 

	url = url+"&sid="+Math.random()

    xmlHttp.open("GET",url,false)	
	xmlHttp.send(null)

	if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete")
	{ 
		if (xmlHttp.status == 200)
		{
			returnValue = xmlHttp.responseText;			
		}
	} 
		
	return returnValue
}