$(document).ready(function(){

	$("#headerButton a").click(function() {
		var containerMarginTop = 72;
		var headerHeight = 510;
		var contentHeight = 228;
		var durations = 500;
		
		var getContainerMargin = $('#container').css('marginTop');
		if (getContainerMargin == '72px') {
		  $('#container').animate({marginTop: "1px"}, durations);
		  //$('div.hmenu_layer_item').animate({marginTop: "0px"}, durations);
		  $('#headerIn').animate({height: headerHeight+containerMarginTop}, durations);
		  $('#mainInHome').animate({height: "16px"}, durations);
		  
		  // CSS
		  $('#headerButton').removeClass().addClass("impreButton1");
		} else {
		  $('#container').animate({marginTop: containerMarginTop}, durations);
		  //$('div.hmenu_layer_item').animate({marginTop: containerMarginTop-1}, durations);
		  $('#headerIn').animate({height: headerHeight}, durations);
		  $('#mainInHome').animate({height: contentHeight}, durations);
		  
		  // CSS
		  $('#headerButton').removeClass().addClass("impreButton");
		}
		
	});
	
});