$(document).ready(function() {
	$("#home_panel .btn").hover(function() {
		var im=$(this).attr("img");
		var panel=$(this).attr("panel");
		if(panel=='') {
			panel="none";
		} else {
			panel="url("+panel+")";
		}
		$(this).css({
			"background-image":"url("+im+")"
		});
		$("#home_panel .panel").css({
			"background-image":panel
		});
	}, function() {
		$(this).css({
			"background-image":"none"
		});
	}).click(function() {
		var ref=$(this).attr("href");
		document.location.href=ref;
	});
});