var headerHeight = 260;
var resizeTimer = null;
	
function calculateSize() {
	var windowHeight = $(window).height();
	var maintextHeight = $("#maintext").height();
	var footerHeight = $("#footer").height();

	var pageSpacerHeight = windowHeight - headerHeight - maintextHeight - footerHeight;
	if( pageSpacerHeight < 5) {
		pageSpacerHeight = 5;
	}
	$("#page .spacer").height(pageSpacerHeight);			
	$("#sidebar").height($("#page").height() + 230);
	$("#sidebar .bottom").height($("#page").height() - 47);
	$("#pagebackground").height($("#page").height());
}
	
$(document).ready(function() {
	calculateSize();
	
	$(".shadow").shadow();
	
	$("ul.sf-menu").superfish({ 
		animation: {opacity: "show", height: "show"},
		delay: 800,
		autoArrows:  true,
		dropShadows: true 
	});
});

$(window).bind('resize', function() {
	if (resizeTimer) {
		clearTimeout(resizeTimer);
	}
	resizeTimer = setTimeout(calculateSize, 100);
});