操作cookie
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function getCookieVal (offset)
{
var endstr = documents.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = documents.cookie.length;
return unescape(documents.cookie.substring(offset, endstr));
}
function SetCookie (name, value)
{
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (2 < argc) ? argv[2] : null;
expires = new Date("December 31, 2023");
var path = (3 < argc) ? argv[3] : null;
var domain = (4 < argc) ? argv[4] : null;
var secure = (5 < argc) ? argv[5] : false;
documents.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
}
function GetCookie (name)
{
var arg = name + "=";
var alen = arg.length;
var clen = documents.cookie.length;
var i = 0;
while (i < clen)
{
var j = i + alen;
if (documents.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = documents.cookie.indexOf(" ", i) + 1;
if (i == 0)
break;
}
return null;
}
function check_value()
{
uid=eval("window.document.myform.elements['fields[uid]']");
if (uid.value.Trim()=='')
{
alert("抱歉,用戶名不能為空!");
uid.focus();
return false;
}
pws=eval("window.document.myform.elements['fields[pws]']");
if (pws.value.Trim()=='')
{
alert("抱歉,密碼不能為空!");
pws.focus();
return false;
}
tz=eval("window.document.myform.elements['fields[tz]']");
if (tz.value.Trim()=='')
{
alert("抱歉,請選擇要登錄的套帳!");
uid.focus();
return false;
}
SetCookie ("uid",uid.value );
}