// Copyright 2006-2007 javascript-array.com
var timeout = 500;
var closetimer = 0;
var ddmenuitem = 0;
// start menu
function startMenu(id)
    {
    if (document.getElementById(id) == null)
        return;
    mopen(id);
    }


// 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;
        }
    }

function mopacitymax(row)
{
direction = 0;
var ss = document.getElementById(row);
fade (row, 0, 0.2);


}

function mopacitymin(row)
{
var ss = document.getElementById(row);
direction = 1;
fade (row, 0, 0.2);

}

var TimeToFade = 1000.0;

function fade(eid, min, max)
{
var element = document.getElementById(eid);
if(element == null)
return;

if(element.FadeState == null)
{
if(element.style.opacity == null
|| element.style.opacity == ""
|| element.style.opacity == '1')
{
element.FadeState = -2;
}
else
{
element.FadeState = 2;
}
}

if(element.FadeState == 1 || element.FadeState == -1)
{
element.FadeState = element.FadeState == 1 ? -1 : 1;
element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
}
else
{
element.FadeState = element.FadeState == 2 ? -1 : 1;
element.FadeTimeLeft = TimeToFade;
setTimeout("animateFade(" + new Date().getTime()
+ ",'" + eid + "', + " + min + ", " + max + ")", 33);
} 
}

function animateFade(lastTick, eid, min, max)
{ 
var curTick = new Date().getTime();
var elapsedTicks = curTick - lastTick;

var element = document.getElementById(eid);

if(element.FadeTimeLeft <= elapsedTicks)
{
element.style.opacity = element.FadeState == 1 ? max : min;
element.style.filter = 'alpha(opacity = '
+ (element.FadeState == 1 ? max*100 : min*100) + ')';
if (element.filters)
element.filters.alpha.Opacity = (element.FadeState == 1 ? max*100 : min*100);
element.FadeState = element.FadeState == 1 ? 2 : -2;
return;
}

element.FadeTimeLeft -= elapsedTicks;
var newOpVal = (max-min)*(element.FadeTimeLeft/TimeToFade);
if(element.FadeState == 1)
newOpVal = (max) - newOpVal;
else
newOpVal = (min) + newOpVal;

element.style.opacity = newOpVal;
element.style.filter =
'alpha(opacity = ' + (newOpVal*100) + ')';
if (element.filters)
element.filters.alpha.Opacity = newOpVal*100;
setTimeout("animateFade(" + curTick
+ ",'" + eid + "', + " + min + ", " + max + ")", 33);
}

// close layer when click-out
document.onclick = mclose;