function createRequest(){ var request=false; if(window.XMLHttpRequest){ request=new XMLHttpRequest()} else if(window.ActiveXObject){ try{ request=new ActiveXObject("MSXML2.XMLHTTP")} catch(err1){ try{ request=new ActiveXObject("Microsoft.XMLHTTP")} catch(err2){ request=null}}} return request} function requestGET(url,query,req){ myRand=parseInt(Math.random()*99999999); req.open("GET",url+'?'+query+'&rand='+myRand,true); req.send(null)} function requestPOST(url,query,req){ req.open("POST",url,true); req.setRequestHeader('Content-Type','application/x-www-form-urlencoded'); req.send(query)} function doCallback(callback,item){ eval(callback+'(item)')} function doAjax(url,query,callback,reqtype,getxml){ var myreq=createRequest(); var item;
myreq.onreadystatechange=function(){ if(myreq.readyState==4){
if(myreq.status==200){
if(getxml==1){item=myreq.responseXML;}else{item=myreq.responseText;}doCallback(callback,item);}}}
if(reqtype=='post'){requestPOST(url,query,myreq);}else{requestGET(url,query,myreq);}}