function XHConn()
{var xmlhttp,bComplete=false;try{xmlhttp=new XMLHttpRequest();}
catch(e){try{xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}
catch(e){try{xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");}
catch(e){xmlhttp=false;}}}
if(!xmlhttp)return null;this.connect=function(sURL,sMethod,sVars,fnDone)
{if(!xmlhttp)return false;bComplete=false;sMethod=sMethod.toUpperCase();try{if(sMethod=="GET")
{xmlhttp.open(sMethod,sURL+"?"+sVars,true);sVars="";}
else
{xmlhttp.open(sMethod,sURL,true);xmlhttp.setRequestHeader("Method","POST "+sURL+" HTTP/1.1");xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");}
xmlhttp.onreadystatechange=function(){if(xmlhttp.readyState==4&&!bComplete)
{bComplete=true;fnDone(xmlhttp);}};xmlhttp.send(sVars);}
catch(z){return false;}
return true;};return this;}