// JavaScript Document

var timeout	= 300;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) {ddmenuitem.style.visibility = 'hidden';
		ddmenuitem.parentNode.style.background = "url('../../images/2011/nav_blue.jpg') repeat-x scroll 0 0";}

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';
	ddmenuitem.parentNode.style.background = "url('../../images/2011/nav_blue_hover.jpg') repeat-x scroll 0 -27px";

}
// close showed layer
function mclose()
{
	if(ddmenuitem) {
		ddmenuitem.parentNode.style.background = "url('../../images/2011/nav_blue.jpg') repeat-x scroll 0 0";
		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;