function changeDiv(divId, url, alt)  {
	 //Effect.BlindUp(divId, {duration: 0.5});
	 Effect.Appear('loader');
	timerID = setTimeout("loadContent('"+divId+"', '"+url+"', '"+alt+"')", 2000);
	//$('mainImageInfo').innerHTML = '<img src="images/ajax-loader.gif" alt="loading" /> Loading Content';
}

function loadContent(divId, url, alt) {
	//alert("new photo");
	new Ajax.Updater(divId, url+"&amp;alt="+alt, {asynchronous:true, evalScripts:true});
	//$('mainImageInfo').innerHTML = '<p>'+alt+'</p>';
	//Effect.Appear(divId);
	
}