function SetCookies(value)
    {
    	var Days = 30; //此 cookie 将被保存 30 天
    	var exp  = new Date();    //new Date("December 31, 9998");
    	exp.setTime(exp.getTime() + Days*24*60*60*1000);
    	document.cookie = "58home="+ escape (value) + ";domain=.58.com;expires=" + exp.toGMTString();
    }