function pop(url) {
 window.open(url, "nu", "width=750,height=486,scrollbars=no,toolbar=no,left=0,top=0");
return;
 }

function pix(url) {
 window.open(url, "pix", "width=660,height=500,scrollbars=no,toolbar=no,left=0,top=0");
return;
 }

function pdf(url) {
 window.open(url, "pdf", "width=750,height=550,scrollbars=no,toolbar=no,left=0,top=0,resizable=yes");
return;
 }

function zeitung(url) {
 window.open(url, "zeitung", "width=800,height=600,scrollbars=no,toolbar=no,left=0,top=0,resizable=yes");
return;
 }

 function pix700(url) {
 window.open(url, "pix700", "width=700,height=525,scrollbars=no,toolbar=no,left=0,top=0");
 return;
 }