// JavaScript Document
$(document).ready(function(){ 
	var subnav = $("#sub-link-bar");
	$("#main-nav li a.main-link").mouseenter(function(){  
       $("#main-nav li a.main-link").removeClass("active");  
        $(this).addClass("active");
		subnav.css('background-color', $(this).siblings(".sub-links").css("background-color")); //change the bg color to the current menu
		subnav.stop(); //stop previously queued slides
		if(subnav.css('display')=='none') { //if opening trigger run slideDown
			subnav.html("<ul>"+$(this).siblings(".sub-links").html()+"</ul>"); //insert subnav
			subnav.slideDown();
		}else { //otherwise check for changes in height between menus and animate
			var currH = subnav.height();
			subnav.html("<ul>"+$(this).siblings(".sub-links").html()+"</ul>"); //insert subnav
			subnav.height('auto');
			var nextH = subnav.height();
			if(currH != nextH){
				subnav.height(currH);
				subnav.animate({
					height: nextH
				});
			}
			
		}
	});
	subnav.mouseleave(function(){
		$("#main-nav li a.main-link").removeClass("active"); 
		$("#sub-link-bar").slideUp(function(){
			//reset the height just in case it is locked short
			subnav.css('height', 'auto'); 
		});
	});
});