// Copyright 2006-2007 javascript-array.com

var timeout	= 750;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mclick(id)
{
	// cancel close timer
	mcancelclosetime();
    if(ddmenuitem != document.getElementById(id)) {
        // close old layer
        if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
    }

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
    if(ddmenuitem.style.visibility == 'visible') {
        ddmenuitem.style.visibility = 'hidden';
    } else {
        ddmenuitem.style.visibility = 'visible';
        ddmenuitem.style.left = $(id+'a').positionedOffset()[0]+'px';
        ddmenuitem.style.top = $(id+'a').positionedOffset()[1]+$(id+'a').getHeight()+'px';

    }

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

function mlinkclick()
{
    if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
    document.body.style.cursor = 'default';
}

// 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;