$(document).ready(function() {					
	$("li", "#navigation").each(function() {	
		$(this).bind("mouseout", function(event)  { event.preventDefault(); });
		$(this).bind("mouseover", function(event) {						
			if ($(this).hasClass("selected")) return;
			$("#submenu .jqueryslidemenu").css('display', 'none');		
			$("li.selected", "#navigation").removeClass("selected");
			$(this).addClass("selected");
			var menu_id = $(this).attr('id').substring(5);
			var submenu = $('#submenu_' + menu_id);
			if (submenu.length > 0) {
				var submenu_w = submenu.width();								
				var li_w = $(this).width();				
				var left = Math.max(0, $(this).position().left + (li_w/2) - Math.ceil(submenu_w /2)); 				
				var right = left + submenu_w; 
				if (right > 923) { left -= (right - 923); } 
				submenu.css('margin-left', left + 'px');
				submenu.fadeIn(300);				
			}
		});
	});
});