var wndorpl = 0;

function ortspl(){
	img_width = 830;
	img_height = 520;

	if (wndorpl == 0 || wndorpl.closed == true) {
		wndorpl = open("ortsplan.html",
				 "ortsplan",
				 "width=" + img_width + ",height=" + img_height +
				 ",toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,dependent=yes");
		wndorpl.focus();
	}
	else 
		wndorpl.focus();
}