function getHTTPRequest(){
	var request;
	
	if(window.XMLHttpRequest){
		//Not IE
		request = new XMLHttpRequest();
		if(request.overrideMimeType){
			request.overrideMimeType('text/xml');
		}
	}else if(window.ActiveXObject){
		//IE
		try{
			request = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				request = new ActiveXObject("Microsoft.XMLHTTP");
			}catch(e){
				request = null;
			}
		}
	}
	
	return request;
}