var http_request=false;
  function send_request(url){//初始化，指定处理函数，发送请求的函数
    http_request=false;
	//开始初始化XMLHttpRequest对象
	if(window.XMLHttpRequest){//Mozilla浏览器
	 http_request=new XMLHttpRequest();
	 if(http_request.overrideMimeType){//设置MIME类别
	   http_request.overrideMimeType("text/xml");
	 }
	}
	else if(window.ActiveXObject){//IE浏览器
	 try{
	  http_request=new ActiveXObject("Msxml2.XMLHttp");
	 }catch(e){
	  try{
	  http_request=new ActiveXobject("Microsoft.XMLHttp");
	  }catch(e){}
	 }
    }
	if(!http_request){//异常，创建对象实例失败
	 window.alert("创建XMLHttp对象失败！");
	 return false;
	}
	http_request.onreadystatechange=processrequest;
	//确定发送请求方式，URL，及是否同步执行下段代码
    http_request.open("GET",url,true);
	http_request.send(null);
  }
  //处理返回信息的函数
  function processrequest(){
   if(http_request.readyState==4){//判断对象状态
     if(http_request.status==200){//信息已成功返回，开始处理信息
	  document.getElementById(reobj).innerHTML=http_request.responseText;
	 }
	 else{//页面不正常
	  //alert("您所请求的页面不正常！");
	 }
   }
  }
  function getsearch(obj,num){
   //var pid=document.form1.select1.value;
   //document.getElementById(obj).innerHTML="<option>loading...</option>";
   document.getElementById(obj).style.display='block';
   send_request(num);
   reobj=obj;
  }
 function display(obj){
	 document.getElementById(obj).style.display='block';
	 } 
function linkTo(obj){
	location.href='../Member/house_list_all.php?sousuo_bar='+obj;
	} 
function linkToL(obj){
	location.href='../Member/house_list.php?sousuo_bar='+obj;
	} 


////调用：<script src="/Js/ajaxurl.js">< /script>  onKeyUp="getsearch('name','../Webadmin/get_class.php?word='+document.getElementById('user_email').value)"