// JavaScript Document

var timeout	= 500;
var closetimer	= 0;
var ddmenuitem1	= 0;
var ddmenuitem2 = 0;



	
	



// open hidden layer 
// need to open two hidden layers apply the timer to both
function mopen(id1, id2)
{	
	
	// cancel close timer
	mcancelclosetime();

	// close old layers
	if(ddmenuitem1) ddmenuitem1.style.visibility = 'hidden';
	if(ddmenuitem2) ddmenuitem2.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem1 = document.getElementById(id1);
	ddmenuitem1.style.visibility = 'visible';
	
	ddmenuitem2 = document.getElementById(id2);
	ddmenuitem2.style.visibility = 'visible';
	
}

// close showed layer
function mclose()
{
	if(ddmenuitem1) ddmenuitem1.style.visibility = 'hidden';
	if(ddmenuitem2) ddmenuitem2.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;