// Copyright 2006-2007 javascript-array.com

var timeout	= 1000;
var GIIclosetimer	= 4000;
var ddmenuitem	= 0;


// cancel close timer
function mcancelclosetime()
{

	if(GIIclosetimer)
	{	
		clearTimeout(GIIclosetimer);
		GIIclosetimer = null;
	}
}

// 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()
{
	GIIclosetimer = setTimeout(mclose, timeout);
}



// close layer when click-out
document.onclick = mclose;