function newImage(arg)
{
    if (document.images)
    {
        rslt = new Image();
        rslt.src = arg;
        return rslt;
    }
    else
    {
    	return null;
    }
}

function changeImages()
{
    if (document.images && (preloadFlag == true))
    {
        for (var i = 0; i < changeImages.arguments.length; i += 2)
        {
            document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
        }
    }
}

function drop(targetId)
{ 
    target = document.all(targetId);
    
    if (target.style.display == 'none')
    {
        target.style.display = "" ;
    }
    else
    {
        target.style.display = "none";
    }

    event.cancelBubble = true;
}