<!--
/* This code is Copyright (c) 1996 Nick Heinle and Athenia Associates, 
 * all rights reserved. In order to receive the right to license this 
 * code for use on your site the original code must be copied from the
 * Web site webreference.com/javascript/. License is granted to user to 
 * reuse this code on their own Web site if and only if this entire copyright
 * notice is included. Code written by Nick Heinle of webreference.com.
 */

function getCookie (name) {
    var dcookie = document.cookie; 
    var cname = name + "=";
    var clen = dcookie.length;
    var cbegin = 0;
    while (cbegin < clen) {
        var vbegin = cbegin + cname.length;
        if (dcookie.substring(cbegin, vbegin) == cname) { 
            var vend = dcookie.indexOf (";", vbegin);
            if (vend == -1) vend = clen;
            return unescape(dcookie.substring(vbegin, vend));
        }
        cbegin = dcookie.indexOf(" ", cbegin) + 1;
        if (cbegin == 0) break;
    }
    return null;
}

function setCookie (name, value, expires, domain) {
    if (!expires) expires = new Date();
    document.cookie = name + "=" + escape (value) + "; expires=" + expires.toGMTString() +  "; path=/";
}

function delCookie (name,domain) {
    var c = name + "=" + "; expires=Thu, 01-Jan-70 00:00:01 GMT" + "; path=/";
    if (domain != null) {
        c += ";domain=" + domain;
    }
    document.cookie = c;
}