/********************************************************************************************/
/* AHAH functions by Phil Ballard                                                           */
/* This code is intended for study purposes.                                                */
/* You may use these functions as you wish, for commercial or non-commercial applications,  */
/* but please note that the author offers no guarantees to their usefulness, suitability or */
/* correctness, and accepts no liability for any losses caused by their use.                */
/********************************************************************************************/

function callAjax(url, pageElement, callMessage, errorMessage) 
	{
		document.getElementById(pageElement).innerHTML = callMessage;
		//var mytime=setTimeout('timeOut(2)',2000);
		//mytime;
		//if (!mytime)
		//{
		//document.getElementById(pageElement).innerHTML = "";
		//}
		try
			{
				req = new XMLHttpRequest(); /* e.g. Firefox */
			} 
		catch(e)
			{
				try 
					{
						req = new ActiveXObject("Msxml2.XMLHTTP");  /* some versions IE */
					} 
				catch (e) 
					{
						try 
							{
								req = new ActiveXObject("Microsoft.XMLHTTP");  /* some versions IE */
							} 
						catch (E) 
							{
								req = false;
							} 
					} 
			}
		req.onreadystatechange = function() {responseAHAH(pageElement, errorMessage);};
		req.open("GET",url,true);
		req.send(null);
	}

function responseAHAH(pageElement, errorMessage)
	{
		var output = '';
		if(req.readyState == 4) 
			{
				if(req.status == 200) 
					{
						output = req.responseText;
						document.getElementById(pageElement).innerHTML = output;
					} 
				else 
					{
						document.getElementById(pageElement).innerHTML = errorMessage+"\n"+output;
					}
			}
	}

function changeElement(id, elementId) 
	{ 
		callAjax('ajax.php?UID='+id+'&elementId='+elementId+'', ''+elementId+'', '<img src="images/working.gif" width="33" height="33" border="0" />', 'Error'); 
	}