var i;
 var http_request = false;
 var flag1 ; 
 var start ;
 var end ;  
                                                                                                                         
    function makeRequest(url) {                                                                                       
           http_request = false;                                                                                                         
        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }
        if (!http_request) {
            alert('Giving up :( Cannot create an XMLHTTP instance');
            return false;
        }
        http_request.onreadystatechange = nextuser;
        http_request.open('GET', url, true);
        http_request.send(null);//post 提交数据,GET是null.  
    }
           
    function nextuser() {                
        if (http_request.readyState == 4) {
            if (http_request.status == 200) {  //处理
    	       var xmlDocument = http_request.responseXML;

	    if( 0==flag1)
	    {
		start=6 ;
		end = 12 ;
	    }
	    else
	    {
		start=0 ;
		end = 6 ; 
	    }
	      for(i=start; i<end; i++)
	      {
    	       var item = xmlDocument.getElementsByTagName("MEM_"+i); //女会员处理
	       document.getElementById("lines_picture_"+i).innerHTML="<a href='/friends_info?action=user_info&login_id="+item[0].getAttribute('user2')+"' target=_blank'><img src='"+item[0].getAttribute('picture')+"' width='80' height='100' border='0'></a>";
	       document.getElementById("lines_user_"+i).innerHTML="<A href='/friends_info?action=user_info&login_id="+item[0].getAttribute('user2')+"' target=_blank>"+item[0].getAttribute('user')+"</A>";
	       document.getElementById("lines_age_"+i).innerHTML=item[0].getAttribute('age') ;
	       document.getElementById("lines_location_"+i).innerHTML=item[0].getAttribute('location') ;
	       document.getElementById("lines_degree_"+i).innerHTML=item[0].getAttribute('degree') ;
	       document.getElementById("lines_des_"+i).innerHTML=item[0].getAttribute('title') ;
	     }
            } else {
                alert('There was a problem with the request.');
            }
        } 
    }

//下一个
 function nextone(flag)
 {
  flag1 = flag ;
  var url = '/friends_xml?action=user_recom&flag='+flag+'&'+Math.random() ;
  var http = makeRequest(url);
 }