// Creates and returns an XMLHttpRequest object appropriate for this browser ....
	function createXmlHttpRequest(){
		var xHRObject;
		
		if (window.XMLHttpRequest) {
			xHRObject = new XMLHttpRequest();
		}
		else {
			if (window.ActiveXObject) {
				xHRObject = new ActiveXObject("Microsoft.XMLHTTP");
			}
		}
		return xHRObject;
	}