//Code from:  http://javascript-array.com/scripts/simple_drop_down_menu/
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

function LoadGallery(pictureName,imageFile) {
	document.getElementById(pictureName).src = imageFile;
}

document.onclick = mclose;