var object;

function AJAX()
{
      if(window.ActiveXObject){
             try{
                   return new ActiveXObject("Msxml2.XMLHTTP");
             }
             catch(e){
                   try{
                        return new ActiveXObject("Microsoft.XMLHTTP");
                   }
                   catch(e2){
                        return null;
                   }
             }
      }
      else if(window.XMLHttpRequest){
             return new XMLHttpRequest();
      }
      else{
             return null;
      }
}