mobile_subnav_touch

$('html.touch #mainmenu .nav > li > a').each(function(){
	var clicks = 0;
	$(this).click(function(e){
			var link = $(this).attr('href');
			if(clicks == 0){
			e.preventDefault();
			var subnav = $(this).parent('li').children('ul');
			subnav.slideDown(250);
		} else {
			window.location.href = link;
		}
		++clicks;
	});
});