var IE = false;
var cookie_set = false;


    if (navigator.appName.substring(0, 1) == "M") {
        IE = true;
    }
    else {
        Net = true;
    }

    function ChkCookie() {

        SetCookie("ctest", "test")
        // if Get_Cookie succeeds, cookies are enabled, since
        //the cookie was successfully created.
        if (GetCookie("ctest")) {
            cookie_set = true;
            DeleteCookie('ctest');
        }
        // if the Get_Cookie test fails, cookies
        //are not enabled for this session.
        else {

            cookie_set = false;
        }
        return cookie_set
;
    }     

function getElementByIdEx(tagName, elType) {

    elements = document.getElementsByTagName(elType);

    for (y = 0; y < elements.length; y++) {
        if (elements[y].id.indexOf(tagName) > -1) {
            return elements[y];

        }

    }

}

function mouseOver(obin) {
    cur = obin.src
    
    //alert(curPage)
    obin.src = cur.replace("/off", "/on")
}

function mouseOut(obin) {


    cur = obin.src

    
    obin.src = cur.replace("/on", "/off")


}

String.prototype.trim = function() {
    return this.replace(/^\s+|\s+$/g, "");
}

function SetCookie(cook, val) {
    
    document.cookie = cook + "=" + val + " ;expires=Fri, 17 Dec 2050 10:00:00 GMT";
}

function GetCookie(cookieName) {
    cookAr = document.cookie.split(";");
    for (y = 0; y < cookAr.length; y++) {
        curCook = cookAr[y].split("=");
        if (curCook[0].toString().trim() == cookieName.toString().trim()) {
            return (curCook[1])
        }
    }
}

function DeleteCookie(cookieName) {
    document.cookie = cookieName + "='';expires=Fri, 17 Dec 2000 10:00:00 GMT";
}



function ShowPremium(controlIn) {

    
    
    
    if (controlIn.checked != true) {

        if (parseInt(document.getElementById("huserLevel").value) == 0) {

            var test = window.confirm("Maintaining a private recipe store requires Premium Membership.\n Continue to Premium section?")

            if (test) {
                window.location = "premiummembers.aspx"

            }
            else {
                controlIn.checked = true
            }
        }
        
    }

}



// Are pop-up windows allowed for this site? (i. e. has the user a pop-up blocker?)
    function popupsAllowed() {
        var allowed = false;
        var w = window.open("about:blank", "", "directories=no,height=1,width=1,menubar=no,resizable=no,scrollbars=no,status=no,titlebar=no,left=0,top=0,location=no");
        if (w) {
            allowed = true;
            w.close();
        }
        return allowed;
    }


    // Return Gecko version
    function getGeckoVersion() {
        return brs.match(/gecko\/([0-9]+)/)[1];
    }

    // Return MSIE version
    function getMSIEVersion() {
        return brs.match(/msie\s(\d+(\.?\d)*)/)[1];
    }


    // Return browser's (actual) major version or -1 if bad version entered
    function getMajorVersion(v) {
        return (isEmpty(v) ? -1 : (hasDot(v) ? v : v.match(/(\d*)(\.\d*)*/)[1]))
    }

    // Return browser's (actual) minor version or -1 if bad version entered
    function getMinorVersion(v) {
        return (!isEmpty(v) ? (!hasDot(v) ? v.match(/\.(\d*([-\.]\d*)*)/)[1] : 0) :-1)
    }


    var jsVer = -1;
    var brs;

    function getBrowser(obj) {
        var b = new Array("unknown", "unknown", "unknown", "unknown");

        (isEmpty(obj) ? brs = navigator.userAgent.toLowerCase() : brs = obj);


        if (brs.search(/opera[\/\s](\d+(\.?\d)*)/) != -1) {
            // Opera
            b[0] = "opera";
            b[1] = brs.match(/opera[\/\s](\d+(\.?\d)*)/)[1];
            b[2] = "opera";
            b[3] = b[1];
            return b;
        } else if (brs.search(/msie\s(\d+(\.?\d)*)/) != -1) {
            // MS Internet Explorer
            b[0] = "msie";
            b[1] = getMSIEVersion();
            b[2] = "msie";
            b[3] = b[1];
            return b;
        } else if (brs.search(/safari\/(\d)*/) != -1) {
            // Safari
            b[0] = "webkit (saf-chrm)";
            b[1] = brs.match(/safari\/(\d+(\.?\d*)*)/)[1];
            b[2] = "khtml";
            b[3] = brs.match(/applewebkit\/(\d+(\.?\d*)*)/)[1];
            return b;
            // Firefox
        } else if (brs.search(/firefox[\/\s](\d+([\.-]\d)*)/) != -1) {
            b[0] = "firefox";
            b[1] = brs.match(/firefox[\/\s](\d+([\.-]\d)*)/)[1];
            b[2] = "gecko";
            b[3] = getGeckoVersion();
            return b;
        } else {
            b[0] = "unknown";
            b[1] = "";
            b[2] = brs.appName
            b[3] = "";

        }
    }

    /* FOR INTERNAL USE ONLY. THIS FUNCTIONS ARE SUBJECT TO CHANGE, DON'T TRUST THEM */
    // Is input empty?
    function isEmpty(input) {
        return (input == null || input == "")
    }

    // Does this string contain a dot?
    function hasDot(input) {
        return (input.search(/\./) == -1)
    }
    /* END OF FOR INTERNAL USE ONLY FUNCTIONS */
    
    
    
    /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
/*  Block TEA (xxtea) Tiny Encryption Algorithm implementation in JavaScript                      */
/*     (c) Chris Veness 2002-2010: www.movable-type.co.uk/tea-block.html                          */
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */

/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
/*  Algorithm: David Wheeler & Roger Needham, Cambridge University Computer Lab                   */
/*             http://www.cl.cam.ac.uk/ftp/papers/djw-rmn/djw-rmn-tea.html (1994)                 */
/*             http://www.cl.cam.ac.uk/ftp/users/djw3/xtea.ps (1997)                              */
/*             http://www.cl.cam.ac.uk/ftp/users/djw3/xxtea.ps (1998)                             */
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */

var Tea = {};  // Tea namespace

/*
 * encrypt text using Corrected Block TEA (xxtea) algorithm
 *
 * @param {string} plaintext String to be encrypted (multi-byte safe)
 * @param {string} password  Password to be used for encryption (1st 16 chars)
 * @returns {string} encrypted text
 */
Tea.encrypt = function(plaintext, password) {
    if (plaintext.length == 0) return('');  // nothing to encrypt
    
    // convert string to array of longs after converting any multi-byte chars to UTF-8
    var v = Tea.strToLongs(Utf8.encode(plaintext));
    if (v.length <= 1) v[1] = 0;  // algorithm doesn't work for n<2 so fudge by adding a null
    // simply convert first 16 chars of password as key
    var k = Tea.strToLongs(Utf8.encode(password).slice(0,16));  
    var n = v.length;
    
    // ---- <TEA coding> ---- 
    
    var z = v[n-1], y = v[0], delta = 0x9E3779B9;
    var mx, e, q = Math.floor(6 + 52/n), sum = 0;
    
    while (q-- > 0) {  // 6 + 52/n operations gives between 6 & 32 mixes on each word
        sum += delta;
        e = sum>>>2 & 3;
        for (var p = 0; p < n; p++) {
            y = v[(p+1)%n];
            mx = (z>>>5 ^ y<<2) + (y>>>3 ^ z<<4) ^ (sum^y) + (k[p&3 ^ e] ^ z);
            z = v[p] += mx;
        }
    }
    
    // ---- </TEA> ----
    
    var ciphertext = Tea.longsToStr(v);
    
    return Base64.encode(ciphertext);
}

/*
 * decrypt text using Corrected Block TEA (xxtea) algorithm
 *
 * @param {string} ciphertext String to be decrypted
 * @param {string} password   Password to be used for decryption (1st 16 chars)
 * @returns {string} decrypted text
 */
Tea.decrypt = function(ciphertext, password) {
    if (ciphertext.length == 0) return('');
    var v = Tea.strToLongs(Base64.decode(ciphertext));
    var k = Tea.strToLongs(Utf8.encode(password).slice(0,16)); 
    var n = v.length;
    
    // ---- <TEA decoding> ---- 
    
    var z = v[n-1], y = v[0], delta = 0x9E3779B9;
    var mx, e, q = Math.floor(6 + 52/n), sum = q*delta;

    while (sum != 0) {
        e = sum>>>2 & 3;
        for (var p = n-1; p >= 0; p--) {
            z = v[p>0 ? p-1 : n-1];
            mx = (z>>>5 ^ y<<2) + (y>>>3 ^ z<<4) ^ (sum^y) + (k[p&3 ^ e] ^ z);
            y = v[p] -= mx;
        }
        sum -= delta;
    }
    
    // ---- </TEA> ---- 
    
    var plaintext = Tea.longsToStr(v);

    // strip trailing null chars resulting from filling 4-char blocks:
    plaintext = plaintext.replace(/\0+$/,'');

    return Utf8.decode(plaintext);
}

/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */

// supporting functions

Tea.strToLongs = function(s) {  // convert string to array of longs, each containing 4 chars
    // note chars must be within ISO-8859-1 (with Unicode code-point < 256) to fit 4/long
    var l = new Array(Math.ceil(s.length/4));
    for (var i=0; i<l.length; i++) {
        // note little-endian encoding - endianness is irrelevant as long as 
        // it is the same in longsToStr() 
        l[i] = s.charCodeAt(i*4) + (s.charCodeAt(i*4+1)<<8) + 
               (s.charCodeAt(i*4+2)<<16) + (s.charCodeAt(i*4+3)<<24);
    }
    return l;  // note running off the end of the string generates nulls since 
}              // bitwise operators treat NaN as 0

Tea.longsToStr = function(l) {  // convert array of longs back to string
    var a = new Array(l.length);
    for (var i=0; i<l.length; i++) {
        a[i] = String.fromCharCode(l[i] & 0xFF, l[i]>>>8 & 0xFF, 
                                   l[i]>>>16 & 0xFF, l[i]>>>24 & 0xFF);
    }
    return a.join('');  // use Array.join() rather than repeated string appends for efficiency in IE
}


/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
/*  Base64 class: Base 64 encoding / decoding (c) Chris Veness 2002-2010                          */
/*    note: depends on Utf8 class                                                                 */
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */

var Base64 = {};  // Base64 namespace

Base64.code = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

/**
 * Encode string into Base64, as defined by RFC 4648 [http://tools.ietf.org/html/rfc4648]
 * (instance method extending String object). As per RFC 4648, no newlines are added.
 *
 * @param {String} str The string to be encoded as base-64
 * @param {Boolean} [utf8encode=false] Flag to indicate whether str is Unicode string to be encoded 
 *   to UTF8 before conversion to base64; otherwise string is assumed to be 8-bit characters
 * @returns {String} Base64-encoded string
 */ 
Base64.encode = function(str, utf8encode) {  // http://tools.ietf.org/html/rfc4648
  utf8encode =  (typeof utf8encode == 'undefined') ? false : utf8encode;
  var o1, o2, o3, bits, h1, h2, h3, h4, e=[], pad = '', c, plain, coded;
  var b64 = Base64.code;
   
  plain = utf8encode ? str.encodeUTF8() : str;
  
  c = plain.length % 3;  // pad string to length of multiple of 3
  if (c > 0) { while (c++ < 3) { pad += '='; plain += '\0'; } }
  // note: doing padding here saves us doing special-case packing for trailing 1 or 2 chars
   
  for (c=0; c<plain.length; c+=3) {  // pack three octets into four hexets
    o1 = plain.charCodeAt(c);
    o2 = plain.charCodeAt(c+1);
    o3 = plain.charCodeAt(c+2);
      
    bits = o1<<16 | o2<<8 | o3;
      
    h1 = bits>>18 & 0x3f;
    h2 = bits>>12 & 0x3f;
    h3 = bits>>6 & 0x3f;
    h4 = bits & 0x3f;

    // use hextets to index into code string
    e[c/3] = b64.charAt(h1) + b64.charAt(h2) + b64.charAt(h3) + b64.charAt(h4);
  }
  coded = e.join('');  // join() is far faster than repeated string concatenation in IE
  
  // replace 'A's from padded nulls with '='s
  coded = coded.slice(0, coded.length-pad.length) + pad;
   
  return coded;
}

/**
 * Decode string from Base64, as defined by RFC 4648 [http://tools.ietf.org/html/rfc4648]
 * (instance method extending String object). As per RFC 4648, newlines are not catered for.
 *
 * @param {String} str The string to be decoded from base-64
 * @param {Boolean} [utf8decode=false] Flag to indicate whether str is Unicode string to be decoded 
 *   from UTF8 after conversion from base64
 * @returns {String} decoded string
 */ 
Base64.decode = function(str, utf8decode) {
  utf8decode =  (typeof utf8decode == 'undefined') ? false : utf8decode;
  var o1, o2, o3, h1, h2, h3, h4, bits, d=[], plain, coded;
  var b64 = Base64.code;

  coded = utf8decode ? str.decodeUTF8() : str;
  
  
  for (var c=0; c<coded.length; c+=4) {  // unpack four hexets into three octets
    h1 = b64.indexOf(coded.charAt(c));
    h2 = b64.indexOf(coded.charAt(c+1));
    h3 = b64.indexOf(coded.charAt(c+2));
    h4 = b64.indexOf(coded.charAt(c+3));
      
    bits = h1<<18 | h2<<12 | h3<<6 | h4;
      
    o1 = bits>>>16 & 0xff;
    o2 = bits>>>8 & 0xff;
    o3 = bits & 0xff;
    
    d[c/4] = String.fromCharCode(o1, o2, o3);
    // check for padding
    if (h4 == 0x40) d[c/4] = String.fromCharCode(o1, o2);
    if (h3 == 0x40) d[c/4] = String.fromCharCode(o1);
  }
  plain = d.join('');  // join() is far faster than repeated string concatenation in IE
   
  return utf8decode ? plain.decodeUTF8() : plain; 
}


/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */
/*  Utf8 class: encode / decode between multi-byte Unicode characters and UTF-8 multiple          */
/*              single-byte character encoding (c) Chris Veness 2002-2010                         */
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  */

var Utf8 = {};  // Utf8 namespace

/**
 * Encode multi-byte Unicode string into utf-8 multiple single-byte characters 
 * (BMP / basic multilingual plane only)
 *
 * Chars in range U+0080 - U+07FF are encoded in 2 chars, U+0800 - U+FFFF in 3 chars
 *
 * @param {String} strUni Unicode string to be encoded as UTF-8
 * @returns {String} encoded string
 */
Utf8.encode = function(strUni) {
  // use regular expressions & String.replace callback function for better efficiency 
  // than procedural approaches
  var strUtf = strUni.replace(
      /[\u0080-\u07ff]/g,  // U+0080 - U+07FF => 2 bytes 110yyyyy, 10zzzzzz
      function(c) { 
        var cc = c.charCodeAt(0);
        return String.fromCharCode(0xc0 | cc>>6, 0x80 | cc&0x3f); }
    );
  strUtf = strUtf.replace(
      /[\u0800-\uffff]/g,  // U+0800 - U+FFFF => 3 bytes 1110xxxx, 10yyyyyy, 10zzzzzz
      function(c) { 
        var cc = c.charCodeAt(0); 
        return String.fromCharCode(0xe0 | cc>>12, 0x80 | cc>>6&0x3F, 0x80 | cc&0x3f); }
    );
  return strUtf;
}

/**
 * Decode utf-8 encoded string back into multi-byte Unicode characters
 *
 * @param {String} strUtf UTF-8 string to be decoded back to Unicode
 * @returns {String} decoded string
 */
Utf8.decode = function(strUtf) {
  var strUni = strUtf.replace(
      /[\u00c0-\u00df][\u0080-\u00bf]/g,                 // 2-byte chars
      function(c) {  // (note parentheses for precence)
        var cc = (c.charCodeAt(0)&0x1f)<<6 | c.charCodeAt(1)&0x3f;
        return String.fromCharCode(cc); }
    );
  strUni = strUni.replace(
      /[\u00e0-\u00ef][\u0080-\u00bf][\u0080-\u00bf]/g,  // 3-byte chars
      function(c) {  // (note parentheses for precence)
        var cc = ((c.charCodeAt(0)&0x0f)<<12) | ((c.charCodeAt(1)&0x3f)<<6) | ( c.charCodeAt(2)&0x3f); 
        return String.fromCharCode(cc); }
    );
  return strUni;
}

/* - - - - - - - - - - - - - - - - - - - - - - - */