$(document).ready(function(){
 //if($(this).find("ul.subnav").length != 0) {
	
	$(".head_nav ul.topnav > li").hover(function() {
		//$(this).children('a').animate({backgroundColor:'#222'}, {duration:250, easing:'easeOutQuad', queue:false});
		var subnav_div = $(this).children(".subnav"); 
		var subnav_height = subnav_div.children('ul').height()+7;
		//alert(subnav_height);
		if(subnav_div.find('li').length != 0) {
		    subnav_div.animate({height:subnav_height, opacity:1}, {duration:250, easing:'easeOutQuad', queue:false}); //Drop down the subnav on click
	    }
	}, function() {
	    //$(this).children('a:first').animate({backgroundColor:'#111'}, {duration:250, easing:'easeOutQuad', queue:false});
	    var subnav_div = $(this).children(".subnav"); 
		subnav_div.animate({height:0, opacity:0}, {duration:250, easing:'easeOutQuad', queue:false});
	});
 
});