function mailto(id,betreff) {

	var wheight = 420; 
	var wwidth = 350; 
	var cgilocation = "/cgi-bin";

		
	var adress = cgilocation + "/mail.pl?id=" + id + "&betreff=" + betreff;
	var win = window.open(adress,"fenster","height="+wheight+",width="+wwidth+",status=no,toolbar=no,menubar=no,location=no,scrollbars=no,resizable=no");
	win.moveTo((screen.width-wwidth)/2, (screen.height-wheight)/2);
	
}