// JavaScript Document

// Copyright 2006-2007 javascript-array.com

var timeout	= 200;
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';
	if(id  == "m1"){
	
	document.getElementById('qsn').style.background="url('images/bg_menu_hover.png') repeat-x";
	document.getElementById('services').style.background="url('images/bg_menu.png') repeat-x";
	}else{
	document.getElementById('services').style.background="url('images/bg_menu_hover.png') repeat-x";
		document.getElementById('qsn').style.background="url('images/bg_menu.png') repeat-x";
    }
	
	

}
// close showed layer
function mclose()
{
	
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	 
	
	 
document.getElementById('qsn').style.background="url('images/bg_menu.png') repeat-x";  
	document.getElementById('services').style.background="url('images/bg_menu.png') repeat-x";
	  
	  
}

// 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;