function bookmark()
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if(readCookie("bookmark")!="yes") 
{
saveCookie("bookmark","yes",1);
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function saveCookie(name,value,days) {
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         var date = new Date();
         date.setTime(date.getTime()+(days*24*60*60*1000))
         var expires = "; expires="+date.toGMTString()
     }
     else expires = ""
     document.cookie = name+"="+value+expires+"; path=/"
}
function readCookie(name) {
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     }
     return null
}