function rollOverImage(imgId, imgSrc)/*, pointer)*/
{
	if (document.images)
	{
		document.getElementById(imgId).src = imgSrc;
		/*if (pointer != 'no')
		{
			document.getElementById(imgId).style.cursor='pointer';
		}	
		else
	 	{
		document.getElementById(imgId).style.cursor='default';
		}*/
	}	
}
function showImageTopic(imgId,imgSrc)
{
	document.getElementById(imgId).src = imgSrc;
	document.getElementById(imgId).onmouseout="rollOverImage(imgId, imgSrc);";
}

function ajaxCall(div,url,callBackFunc)
{
	var obj = new ajaxObject(div,url);
	if (callBackFunc)
		obj.callback = function() {	callBackFunc(); }
	obj.update();
}