function getCookie(key,  tmp1, tmp2, xx1, xx2, xx3) {
    tmp1 = " " + document.cookie + ";";
    xx1 = xx2 = 0;
    len = tmp1.length;
    while (xx1 < len) {
        xx2 = tmp1.indexOf(";", xx1);
        tmp2 = tmp1.substring(xx1 + 1, xx2);
        xx3 = tmp2.indexOf("=");
        if (tmp2.substring(0, xx3) == key) {
            return(unescape(tmp2.substring(xx3 + 1, xx2 - xx1 - 1)));
        }
        xx1 = xx2 + 1;
    }
    return("");
}
function setCookie(key, val, tmp) {
    tmp = key + "=" + escape(val) + "; ";
    tmp += "expires=Tue, 31-Dec-2030 23:59:59; ";
    document.cookie = tmp;
}
function clearCookie(key) {
    document.cookie = key + "=" + "xx; expires=Tue, 1-Jan-1980 00:00:00;";
}

function getCookie2(key){
    cookie = document.cookie;
    //alert(cookie);
    index  = cookie.indexOf(key);
    if (index < 0) return "";
    //alert(index);
    index  = cookie.indexOf("=", index);
    if (index < 0) return "";
    //alert(index);
    lastIndex = cookie.indexOf(";", index);
    if (lastIndex < 0) lastIndex = cookie.length;
    //alert(lastIndex);
    //alert(cookie.substring(index + 1, lastIndex));
    //alert(decodeURL("%E3%82%AD%E3%83%BC%E3%83%AF%E3%83%BC%E3%83%89"));
//    return decodeURL(cookie.substring(index + 1, lastIndex));
    return (cookie.substring(index + 1, lastIndex));
}

/*  Function to get cookie parameter value string with specified name
    Copyright (C) 2002 Cresc Corp.
    Version: 1.0
*/
function decodeURL(str){
    var s0, i, j, s, ss, u, n, f;
    s0 = "";                // decoded str
    for (i = 0; i < str.length; i++){   // scan the source str
        s = str.charAt(i);
        if (s == "+"){s0 += " ";}       // "+" should be changed to SP
        else {
            if (s != "%"){s0 += s;}     // add an unescaped char
            else{               // escape sequence decoding
                u = 0;          // unicode of the character
                f = 1;          // escape flag, zero means end of this sequence
                while (true) {
                    ss = "";    // local str to parse as int
                        for (j = 0; j < 2; j++ ) {  // get two maximum hex characters to parse
                            sss = str.charAt(++i);
                            if (((sss >= "0") && (sss <= "9")) || ((sss >= "a") && (sss <= "f"))  || ((sss >= "A") && (sss <= "F"))) {
                                ss += sss;          // if hex, add the hex character
                            } else {--i; break;}    // not a hex char., exit the loop
                        }
                    n = parseInt(ss, 16);           // parse the hex str as byte
                    if (n <= 0x7f){u = n; f = 1;}   // single byte format
                    if ((n >= 0xc0) && (n <= 0xdf)){u = n & 0x1f; f = 2;}   // double byte format
                    if ((n >= 0xe0) && (n <= 0xef)){u = n & 0x0f; f = 3;}   // triple byte format
                    if ((n >= 0xf0) && (n <= 0xf7)){u = n & 0x07; f = 4;}   // quaternary byte format (extended)
                    if ((n >= 0x80) && (n <= 0xbf)){u = (u << 6) + (n & 0x3f); --f;}    // not a first, shift and add 6 lower bits
                    if (f <= 1){break;}             // end of the utf byte sequence
                    if (str.charAt(i + 1) == "%"){ i++ ;}                   // test for the next shift byte
                    else {break;}                   // abnormal, format error
                }
            s0 += String.fromCharCode(u);           // add the escaped character
            }
        }
    }
    return s0;
}