function ajaxObject(url, callbackFunction) {
  var that=this;      
  this.updating = false;

  this.update = function(passData,postMethod) { 
    if (that.updating==true) { return false; }
    that.updating=true;                       
    var AJAX = null;                          
    if (window.XMLHttpRequest) {              
      AJAX=new XMLHttpRequest();              
    } else {                                  
      AJAX=new ActiveXObject("Microsoft.XMLHTTP");
    }                                             
    if (AJAX==null) {                             
      return false;                               
    } else {
      AJAX.onreadystatechange = function() {
		  if(AJAX.readyState!=4)
		  {
			//alert('a');
			document.getElementById("load_icon").style.visibility='visible';
		  }
        if (AJAX.readyState==4) {             
          that.updating=false;                
          that.callback(AJAX.responseText,AJAX.status,AJAX.responseXML);        
          delete AJAX;
		  document.getElementById("load_icon").style.visibility='hidden';
        }                                                      
      }                                                        
      var timestamp = new Date();                              
      if (postMethod=='POST') {
        var uri=urlCall+'?'+timestamp.getTime();
        AJAX.open("POST", uri, true);
        AJAX.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        AJAX.send(passData);
      } else {
        var uri=urlCall+'?'+passData+'&timestamp='+(timestamp*1); 
        AJAX.open("GET", uri, true);                             
        AJAX.send(null);                                         
      }              
      return true;                                             
    }                                                                           
  }
  var urlCall = url;        
  this.callback = callbackFunction || function () {};
}  

function attachScript(responseText, responseStatus) {
   // This function is called by the ajaxObject when the server has finished
   // sending us the requested script.
		 
   if (responseStatus==200) {
			eval(responseText);
         }	 
}

function attachSource(responseText, responseStatus, passData) {
   // This function is called by the ajaxObject when the server has finished
   // sending us the requested script.
		 
   if (responseStatus==200) {
			document.getElementById("page_id").innerHTML = responseText;
			cont_area_open();
			
			page=document.getElementById("page_name").value;
			setTimeout ('js_load(\''+page+'\')', 10);
         }	 
}



// ajaxObject is an object constructor, pass it the server url you want it to call
// and the function name you want it to call when it gets the data back from the server.
// Use the .update() method to actually start the communication with the server.
// The first optional argument for update is the data you want to send to the server.
// ajaxvar.update('id=1234&greed=good&finish=true');
// The second optional argument for update is 'POST' if you want to send the data
// as a POST instead of the default GET (post can handle larger amounts of data and
// the data doesn't show up in your server logs).
// ajaxvar.update('id=1234&greed=good&finish=true','POST');


////	var anotherScript = new ajaxObject('http://mydomain.com/anotherScript.php',attachScript);
////   	anotherScript.update('userId=4323','POST');

////	var getScriptViaAjax=new ajaxObject('js/js_prod_pretty.js',attachScript);
////   	getScriptViaAjax.update();