$(function() {
		
		// if the function argument is given to overlay,
		// it is assumed to be the onBeforeLoad event listener
		$("a[rel]").overlay({
			
			mask: 'black',
			effect: 'apple',
			
			onBeforeLoad: function() {
			
				// grab wrapper element inside content
				var wrap = this.getOverlay().find(".contentWrap");
				
				// load the page specified in the trigger
				wrap.load(this.getTrigger().attr("href"));
			}
		
		});
	});