// JavaScript Document

         var thumb = null;
    function showThumbnail(which,e)
    {
        thumb = document.getElementById('thumb');
        if( thumb && thumb.style.visibility == 'hidden' )
        {
//            thumb.style.left       = 650;
            thumb.style.left       = ((screen.width) / 2) - 225;
            thumb.style.top        = 450;
            thumb.style.visibility = 'visible';
            thumb.innerHTML        = '<img src="' + which + '">';
        }
    }
    function closeThumbnail()
    {
        if( thumb ) thumb.style.visibility = 'hidden';
    }