function createajaxrequest(){
	try{
		request = new XMLHttpRequest();
	}catch (tryMS){
		try{
		
			request = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(otherMS){
			try{
				request = new ActiveXObject("Microsoft.XMLHTTP");
			}catch (failed){
				request = null;
			}
		}
	}
	return request;
}