var createXHRObject = function()
{
	var tempXHR = null;
	if(window.XMLHttpRequest)
		tempXHR = new XMLHttpRequest(); // firefox & co
	else if(window.ActiveXObject) // IE
       	tempXHR = new ActiveXObject("MSXML2.XMLHTTP.3.0"); //tempXHR = new ActiveXObject("Microsoft.XMLHTTP");
	else
		return null;
	
	return tempXHR;
}