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function SetCookie(name,value){
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    var exp  = new Date();  //»ñµÃµ±Ç°Ê±¼ä
    exp.setTime(exp.getTime() + Days*24*60*60*1000);  //»»³ÉºÁÃë
    document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}
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function getCookie(name){
    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
    if(arr != null)
  return unescape(arr[2]);
    return null;
}
/*
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function delCookie(name){
    var exp = new Date();  //µ±Ç°Ê±¼ä
    exp.setTime(exp.getTime() - 1);
    var cval=getCookie(name);
    if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
    }


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