/* MDropDown.js - Revision: Spry Preview Release 1.4 */

// 

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 but not if on menu heading.  Next 6 lines is Mark's code
x =(document.getElementById('DIImage').onclick);
y =(document.getElementById('SOImage').onclick);
z =(document.getElementById('PQImage').onclick);
//if(document.getElementById('DIImage').onclick != true * document.getElementById('SOImage').onclick != true * document.getElementById('PQImage').onclick != true)
if (x == false && y == false && z == false)
	{
	document.onclick = mclose; 
	}
}
// -->