function helpwin(anchor)
{
	var rnd = Math.floor(Math.random() * 1000000)
	R123helpwin = window.open("/docs/help.html?rnd=" + rnd + "#" + anchor, "Rotate123Help", "status=no,titlebar=no,toolbar=no,fullscreen=0,location=0,resizable=0,scrollbars=1,menubar=0,width=400,height=500;");
	R123helpwin.focus();
}