$("document").ready(function() {
	function hoverStuff(hoveredId) {
		for (var i in links) {
			$("#" + links[i]).css("background-color", "transparent");
			$("#" + links[i] + "_content").css("display", "none");
		}
		$("#" + hoveredId).css("background-color", "#d9f6fc");
		$("#" + hoveredId + "_content").css("display", "block");	
	}
	
	$('.nav_tab').mouseenter(function() {
		hoverStuff($(this).attr('id'));
	});
});