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var Cookie=new Object();
Cookie.setCookie=function(name, value, option){
var str=name+'='+escape(value);
if(option){
if(option.expireHours){
var d=new Date();
d.setTime(d.getTime()+option.expireHours*3600*1000);
str+='; expires='+d.toGMTString();
}
if(option.path) str+='; path='+option.path;
if(option.domain) str+='; domain='+option.domain;
if(option.secure) str+='; true';
}
document.cookie=str;
}
Cookie.getCookie=function(name){
var arr = document.cookie.split('; ');
if(arr.length==0) return '';
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