javascript bookmarklets

i getting some fun whit bookmarklets but have some problems

i make a new window

javascript:win=open('','Z6','width=400,height=200,scrollbars,resizable,menubar');

and load a location on this  window

win.document.location = "www.google.com";

but when try to make something in the new window it fails, i try this:
win.document.onload = function(){ alert(win.document.links[0].toString())};

can you give me some tip?

>>2
l2quote,
perhaps?