// menu sliding

jQuery(document).ready(function () {	
	jQuery('.nav li').hover(
		function () {
			//show its submenu
			jQuery('.sub1', this).slideDown(100);
		}, 
		function () {
			//hide its submenu
			jQuery('.sub1', this).slideUp(100);			
		}
	);
});
jQuery(document).ready(function () {	
	jQuery('.nav2 li').hover(
		function () {
			//show its submenu
			jQuery('.sub1', this).slideDown(100);
		}, 
		function () {
			//hide its submenu
			jQuery('.sub1', this).slideUp(100);			
		}
	);
});