var opt='scrollbars=no,status=no,width=160,height=100,left=50,top=50';
function zoom(co){
imageURL=co.href;imageTitle=co.title;
imgWin=window.open('','mbig',opt);
with (imgWin.document){
writeln('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">');
writeln('<html><head><title>'+ imageTitle +'</title>');
writeln('<style type="text/css">body{margin:0;padding:0;background:#fff;color:#000;font-family:Arial;font-size:12px;overflow:hidden}');
writeln('img{border:0;cursor:pointer}')
writeln('#obraz{visibility:hidden}\n #loader{margin:15px 0 0 15px}');
writeln('</style>');
writeln('<scr'+'ipt type="text/javascript">');
writeln('function reSizeToImage(){');
writeln('window.resizeTo(300,300);');

writeln('if (window.outerHeight){');
writeln('h=window.outerHeight-window.innerHeight');
writeln('w=window.outerWidth-window.innerWidth');
writeln('};')

writeln('if (document.body.clientHeight && !window.outerHeight){'); 
writeln('h=300-document.body.clientHeight');
writeln('w=300-document.body.clientWidth');
writeln('}')
writeln('window.resizeTo(document.images[0].width+w,document.images[0].height+h);');
writeln('document.getElementById("obraz").style.visibility="visible";document.getElementById("loader").style.display="none";')
writeln('};')
writeln('function init(){');
writeln('reSizeToImage();window.focus();}');
writeln('window.onload=init')

writeln('</scr'+'ipt>');

writeln('</head><body>');
writeln('<div id="loader">pobieram powiększenie</div>');
writeln('<img id="obraz" src="'+imageURL+'"  alt="Zamknij" title="Zamknij" onclick="self.close()">');
writeln('</body></html>')
close();
  }
}

function powieksz()
{
if(document.getElementById){
allLinks=document.getElementsByTagName('a');
for(i=0;i<allLinks.length;i++)
{
if(allLinks[i].className=='zoom'){allLinks[i].onclick=function(){zoom(this);return false}}
}
}
}

window.onload=powieksz;