// Copyright 2006-2007 javascript-array.com
var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;
function initMenu(){
	var menu = document.getElementById('menu');
	
	if(menu){
		var divs = menu.getElementsByTagName('div');
		
		if(divs && divs.length > 0){
			for(var i = 0; i < divs.length ; i++){
				
				var d = divs[i];
				
				if(d.id){
					d.style.marginLeft = -(d.clientWidth - d.previousSibling.previousSibling.clientWidth) + "px";
				}
			}
		}
	}
}
// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();
	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';
	if(ddmenuitem){
  		ddmenuitem.style.marginLeft = -(ddmenuitem.clientWidth - ddmenuitem.previousSibling.previousSibling.clientWidth) + "px";
	 }
}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}
// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}
// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}
// close layer when click-out
document.onclick = mclose; 
window.onload = initMenu;