// JavaScript Document

function levelg() {
		window.open('gallery.htm?g', "graphWindow", "toolbar=no,width=736,height=523,directories=no,status=no,scrollbars=no,resize=no,menubar=no");
}

function level1() {
		window.open('gallery.htm?1', "graphWindow", "toolbar=no,width=750,height=478,directories=no,status=no,scrollbars=no,resize=no,menubar=no");
}

function level2() {
		window.open('gallery.htm?2', "graphWindow", "toolbar=no,width=750,height=578,directories=no,status=no,scrollbars=no,resize=no,menubar=no");
}

// Copyright 2006-2007 javascript-array.com

var timeout	= 500;
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';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// 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;