function mainmenu(){
	$("#nav a").removeAttr("title");
	$("#nav ul").css({display: "none"}); // Opera Fix
	$("#nav ul").css({opacity: "0.9"}); // Oppacity effect

	$("#nav li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);
	},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
	});
}
function equalHeight(group) {
	tallest = 0;
	group.each(function() {
		thisHeight = $(this).height();
		if(thisHeight > tallest) {
			tallest = thisHeight;
		}
	});
	group.height(tallest);
}

$(document).ready(function(){
	equalHeight($(".column"));
	mainmenu();
});