// JScript 文件

function setCookie(name,value,days,domain)
{   
 var Days = days; //
 var exp = new Date(); //new Date("December 31, 9998"); 
 exp.setTime(exp.getTime() + Days);
 document.cookie = name + "="+ escape (value) + ";domain=" + domain + ";expires=" + exp.toGMTString();
}

function getCookie(name)
{
 var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
 if(arr != null) return unescape(arr[2]); return null;
}

function delCookie(name)
{
 var exp = new Date();
 exp.setTime(exp.getTime() - 1);
 var cval=getCookie(name);
 if(cval!=null) 
 {
    document.cookie= name + "="+cval+";expires="+exp.toGMTString();
 }
}