// JavaScript Document
cornerImagePreload= new Image(23,35); 
cornerImagePreload.src="http://www2.q-city.com/handn/src/navCornerHollow.gif"; 
var menuOver = false;

function cornerOver(){
	document.getElementById("navCorner").src="http://www2.q-city.com/handn/src/navCorner.gif";
	mclose();
}

function cornerOut(){
	document.getElementById("navCorner").src="http://www2.q-city.com/handn/src/navCornerHollow.gif";
}
var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

function openMenu(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 startMenuCloseTimer()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}