// JavaScript Document
	//for dropdown menu
	var timeout         = 500;
	var closetimer		= 0;
	var ddmenuitem      = 0;	
	function navbox_open()
	{	
		navbox_canceltimer();
		navbox_close();
		ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');
	}	
	function navbox_close()
	{	
		if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');
	}
	
	function navbox_timer()
	{	
		closetimer = window.setTimeout(navbox_close, timeout);
	}
	
	function navbox_canceltimer()
	{	
		if(closetimer)
		{	
			window.clearTimeout(closetimer);
			closetimer = null;
		}
	}	
	$(document).ready(function(){	
		$('#menubox > li').bind('mouseover', navbox_open);
		$('#menubox > li').bind('mouseout',  navbox_timer);
	});	
	document.onclick = navbox_close;