$(document).ready(function(){
	 // OPACITY OF BUTTON SET TO 50%
	$("#main_overlay").css("opacity","1.0");
	 
	// ON MOUSE OVER
	$("#main_slides").hover(function () {
	 
	// SET OPACITY TO 100%
	$("#main_overlay").stop().animate({
	opacity: 0.0
	}, "slow");
	},
	 
	// ON MOUSE OUT
	function () {
	 
	// SET OPACITY BACK TO 50%
	$("#main_overlay").stop().animate({
	opacity: 1.0
	}, "slow");
	});
 });