function makeRequest(url) {

         var http_request = false;

         if (window.XMLHttpRequest) { // Mozilla, Safari,...
             http_request = new XMLHttpRequest();
             if (http_request.overrideMimeType) {
                 http_request.overrideMimeType('text/xml');
                 // See note below about this line
             }
         } 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('友情提示:当前系统不允许建立XMLHTTP对象!');
             return false;
         }
         http_request.onreadystatechange = function() { alertContents(http_request); };
         http_request.open('GET', url, true);
         http_request.send(null);

     }

     function alertContents(http_request) {

         if (http_request.readyState == 4) {
             if (http_request.status == 200) {
				 var oDiv=document.getElementById("index_pro_pic")
				 oDiv.src=http_request.responseText
             } else {
                 alert('返回值错误!');
             }
         }

     }
	 
<!--
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
//-->