Ajax简单异步传输

// JavaScript Document
// 异步传输
// 2011-04-01
// by hkshadow 
// QQ 2765237
	
	var RegHtml
	function RegHtmls() {
		if (window.ActiveXObject) {
			RegHtml = new ActiveXObject('Microsoft.XMLHTTP');
			}else if (window.XMLHttpRequest) {
				RegHtml = new XMLHttpRequest();
				}
				}
	
	function BiddingFeed(did,puser,url) {
		RegHtmls();
		RegHtml.open("GET",url+puser,true);
		RegHtml.onreadystatechange = function() {Divt(did)};
		RegHtml.send(null);
		}
	
	function Divt(did) {			
			if (RegHtml.readyState == 1)  {
		document.getElementById(did).innerHTML="loading....";
		}else if (RegHtml.readyState == 4 && RegHtml.status == 200 ) {
		document.getElementById(did).innerHTML=RegHtml.responseText;
			}else{
		document.getElementById(did).innerHTML='失去通信.....请刷新';
			}
		}