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javascript控制cookies及在跳出本页给出提示，是否放弃操作！(2) if (ts.indexOf('mycat')!=-1)
DeleteCookie(ts); //如果ts含“mycat”则执行清除
}
}
function getCookieVal(offset) { //取得项名称为offset的cookie值
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
function GetCookie(name) { //取得名称为name的cookie值
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}
Setcookie("test","value!!!!!!!!");
alert(GetCookie("test"));
function cc()
{
/**//* check for a cookie */
if (document.cookie == "")
{
/**//* if a cookie is not found - alert user -
change cookieexists field value to false */
alert("COOKIES need to be enabled!");
/**//* If the user has Cookies disabled an alert will let him know
that cookies need to be enabled to log on.*/
document.Form1.cookieexists.value ="false"
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