var newwindow;
var x,y;

function bild(ziel,attr) {
	var a='<img border=0 src='+ziel+'>';
	if (attr==0) {
	type="width=640,height=455,screenX=10,screenY=10,resizable=yes,scrollbars=no,toolbar=no,status=no,directories=no,menubar=no,locationbar=no";}
	if (attr==1){
	type="width=420,height=440,screenX=10,screenY=10,resizable=yes,scrollbars=no,toolbar=no,status=no,directories=no,menubar=no,locationbar=no";}
	if (attr==2){
	type="width=340,height=510,screenX=10,screenY=10,resizable=yes,scrollbars=no,toolbar=no,status=no,directories=no,menubar=no,locationbar=no";}
	if (attr==3){
	type="width=540,height=550,screenX=10,screenY=10,resizable=yes,scrollbars=no,toolbar=no,status=no,directories=no,menubar=no,locationbar=no";}
	newwindow = window.open("","maechler",type);
	newwindow.document.open();
	newwindow.document.write("<link rel='stylesheet' type='text/css' href='/style_main.css'>");
	newwindow.document.write("<p align='center'><a href='javascript:window.close()' class='nav'>");
	newwindow.document.write(a);
	newwindow.document.write("<br><br><b>Fenster schliessen</b></a></p>");
	newwindow.focus();
	newwindow.document.close();
}

<!--
// <a href="#" onClick="javascript:bild('/images/g.jpg',3)"> 
-->