$(function() { 
	var t1 = setTimeout('goUp($("#who_we_are"))',800);
	var t2 = setTimeout('goUp($("#home_event"))',800);
	$(".home_slider .btn").click(function () {
		if ($(this).hasClass("down")) {
			goDown($(this).parent());
		} else {
			goUp($(this).parent());
		}
	});

});

function goUp(slider) {
	var thisID = slider.attr("id");
	$("#"+thisID+" .btn").removeClass("up");
	$("#"+thisID+" .btn").addClass("down");
	slider.animate( {top:"0px"},800,"easeOutExpo");	
}

function goDown(slider) {
	var thisID = slider.attr("id");
	$("#"+thisID+" .btn").removeClass("down");
	$("#"+thisID+" .btn").addClass("up");
	slider.animate( {top:"128px"},800,"easeOutExpo");
}