function RemoteRequestObject()
 {
     var A = false;
     
     try
     {
         A = new ActiveXObject("Msxml2.XMLHTTP");
     }
     catch(e)
     {
         try
         {
             A = new ActiveXObject("Microsoft.XMLHTTP");
         }
         catch(err)
         {
             A = false;
         }
     }
     
     if(!A && typeof(XMLHttpRequest) != 'undefined')
         A = new XMLHttpRequest();  


     return A;
 }

 function get_pic( subject )
 {
     var x = RemoteRequestObject();

         var url = "ajax.php?s="+subject;
         x.open("GET",url,true);
         x.onreadystatechange=function()
         {
             if(x.readyState == 4 && x.status == 200)
             {
                  var myText = x.responseText;
                  document.getElementById('port-right').innerHTML = myText;
             }
         };
         x.send(null);
         return false;
 
 }