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javascript:void(
win=window.open('http://www.example.com?from='+location.href,%20'Hallo',%20' 
width=390, 
height=235, 
resizable=yes, 
scrollbars=no, 
menubar=no, 
status=no'))					

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javascript:void(
document.location.href='http://www.example.com?from='+location.href
)					

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document.write('<a href="http://www.example.com?from='+location.href+'">Klick</a>');