$(function() {
		// OPACITY OF BUTTON SET TO 30%
		$(".nav_links a").css("opacity","0.8");
		
		// OPACITY OF SELECTED BUTTON SET TO 100%
		$(".selected a").css("opacity","1.0");
		
		// ON MOUSE OVER
		$(".nav_links a").hover(function () {
										  
			// SET OPACITY TO 100%
			$(this).stop().animate({
				opacity: 1.0
			}, "slow");
		},
		
		// ON MOUSE OUT
		function () {
			
			// SET OPACITY BACK TO 30%
			$(this).stop().animate({
				opacity: 0.8
			}, "slow");
		});
	});