$(document).ready(function(){
			
	$(".holder").hover(
		function() {
		$(".slider", $(this)).css("background-color", "#dadada");
		$(".slider", $(this)).stop().animate({"margin-top": "-80px", opacity: 0.8 }, 300 );
		},
		
		function() {
		$(".slider", $(this)).stop().animate({"margin-top": "0", opacity: 1 }, 300, function() { $(this).css("background-color", "#dadada");
																				
		});
		
		});
 
});