_Ajax=new Ajax();function Ajax(){this.newXMLHttpRequest=function(){var xmlreq=false;if(window.XMLHttpRequest){xmlreq=new XMLHttpRequest()}else{if(window.ActiveXObject){try{xmlreq=new ActiveXObject("Msxml2.XMLHTTP")}catch(e1){try{xmlreq=new ActiveXObject("Microsoft.XMLHTTP")}catch(e2){}}}}return xmlreq};this.sendRequest=function(servlet,func){var req=this.newXMLHttpRequest();req.open("GET",servlet+"&ms="+new Date().getTime(),true);req.setRequestHeader("Content-Type","application/x-www-form-urlencoded");req.onreadystatechange=this.returnRequest(req,func);req.send(null)};this.returnRequest=function(req,func){return function(){if(req.readyState==4){if(req.status==200){eval(func)}else{alert("HTTP error: "+req.status)}}}}};