function Start(l) {


	window.open (
		'http://www.trigonella.ch/cgi/'+'exp/main'+l+'055.pl?b1=yes',
		"eXPONENTIAL",	"hotkeys=no,location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,toolbar=no,"
		+ "screenX=0,screenY=0,"
		+ "left=0,top=0,"
		+ "height=" + (screen.availHeight - 60) + ","
		+ "width="  + (screen.availWidth - 10)
	)
}