$(document).ready(function(){ 

	$("#navigation li, #navigation li a").mouseenter(function() {
		$(this).find(".children").show(0);
		$(this).css("background-color", "#c4c4c4");
	});
	
	$("#navigation li, #navigation li a").mouseleave(function() {
		$(this).find(".children").hide(0);
		$(this).css("background-color", "transparent");
	});
	
});