Cookie之获设删

//设置COOKIE值
function setCookie(sName,sValue,oExpires,sPath,sDomain,bSecure)
{
    var sCookie = sName + "=" + encodeURIComponent(sValue);

    if(oExpires) { sCookie += "; expires=" + oExpires.toString(); }

    if(sPath) { sCookie += "; path=" + sPath; }

    if(sDomain) { sCookie += "; domain=" + sDomain; }

    if(bSecure) { sCookie += "; secure"; }

    document.cookie = sCookie;
}

//获取COOKIE值
function getCookie(sName)
{
    var sRE = "(?:; )?" + sName + "=([^;]*);?";
    var oRE = new RegExp(sRE);

    if(oRE.test(document.cookie)) { return decodeURIComponent(RegExp["$1"]); }
    else { return null; }
}

//删除COOKIE值
function deleteCookie(sName,sPath,sDomain)
{
    setCookie(sName,"",new Date(0),sPath,sDomain);
}