function showPic(pic, label, x, y)
{
var xtop = (screen.height-390)/2, xleft = (screen.width-258)/2;
msg = ""+label+"";
msg += "![](" + pic +")
";
popup = window.open("","popDialog","height="+y+",width="+x+",top="+xtop+",left="+xleft+",scrollbars=no,toolbar=no,resizable=no");
popup.document.write(msg)
}