function openPicture(addr) { 
 var NS = (navigator.appName=="Netscape")?true:false;
 xMax = (NS)?window.outerWidth:screen.width;
 yMax = (NS)?window.outerHeight:screen.height;
 xOffset = (xMax - 200)/2;
 yOffset = (yMax - 200)/2;
window.open("/bazy/zeblach.nsf/Picture?Open&addr="+addr,"",'status=0,scrollbars=0,resizable=1,width=200,height=200,screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');
 }