function ajaxFunction()
{
    var xmlhttp;
    if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
      xmlhttp=new XMLHttpRequest();
  }
        else if (window.ActiveXObject)
  {
  // code for IE6, IE5
     xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
    else
  {
    // The browser doesn't support Ajax, so die silently
  }


    var ref = encodeURIComponent(document.referrer);
    var my_page = encodeURIComponent(window.location.href);
    if(ref) {
        var queryString = "?ref=" + ref + "&my_page=" + my_page;
        xmlhttp.open("GET","/rank_extractor_ajax.php" + queryString,true);
        xmlhttp.send(null);
    }
}

function GRE_LoadEvent(func) {  
    var oldonload = window.onload;  
    if (typeof window.onload != 'function') { window.onload = func; }  
    else {    
        window.onload = function() {      
            if(oldonload){oldonload();}      
            func();    
        }  
     }
}

GRE_LoadEvent(ajaxFunction);