$("#nav").find("li").children('ul:first').css("display","none");
$(document).ready(function(){
	$("#nav").find("li").each(function(index){
		$(this).children('ul:first').css("display","none");
		$(this).mouseenter(function(){
			var left = $(this).position().left;
			var top = $(this).position().top;
			$(this).children('ul:first').css({"display":"block","left":left+"px"}).find("li").css({"position":"relative"});
		});
		$(this).mouseleave(function(){
			$(this).children('ul:first').css("display","none");
		});
	});
});
/*
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
*/