// Copyright 2006-2007 javascript-array.com

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

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

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

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

}
// close showed layer
function mclose()
{
	for(i=1; i<=2; i++) {
		dtmenu = document.getElementById('mm'+i);
		ddmenuitem = document.getElementById('m'+i);

		if(dtmenu) dtmenu.className = '';
		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;