$(document).ready(function() {
	$("div#panel").delay(2000).animate({height: "450px"}).delay(500).animate({height: "0px"}, "fast");
	
	$("div.panel_button").click(function(){
		$("div#panel").animate({
			height: "550px"
		})
		.animate({
			height: "450px"
		}, "fast");
		$("div.panel_button").toggle();
	
	});	
	
   $("div#hide_button").click(function(){
		$("div#panel").animate({
			height: "0px"
		}, "fast");
   });	
	
});