var hexcase=0;
var b64pad="";
var chrsz=8;
function hex_md5(s){return binl2hex(core_md5(str2binl(s),s.length*chrsz));}
function b64_md5(s){return binl2b64(core_md5(str2binl(s),s.length*chrsz));}
function str_md5(s){return binl2str(core_md5(str2binl(s),s.length*chrsz));}
function hex_hmac_md5(key,data){return binl2hex(core_hmac_md5(key,data));}
function b64_hmac_md5(key,data){return binl2b64(core_hmac_md5(key,data));}
function str_hmac_md5(key,data){return binl2str(core_hmac_md5(key,data));}
function md5_vm_test()
{
return hex_md5("abc")=="900150983cd24fb0d6963f7d28e17f72";
}
function core_md5(x,len)
{
x[len>>5]|=0x80<<((len)%32);
x[(((len+64)>>>9)<<4)+14]=len;
var a=1732584193;
var b=-271733879;
var c=-1732584194;
var d=271733878;
for(var i=0;i<x.length;i+=16)
{
var olda=a;
var oldb=b;
var oldc=c;
var oldd=d;
a=md5_ff(a,b,c,d,x[i+0],7,-680876936);
d=md5_ff(d,a,b,c,x[i+1],12,-389564586);
c=md5_ff(c,d,a,b,x[i+2],17,606105819);
b=md5_ff(b,c,d,a,x[i+3],22,-1044525330);
a=md5_ff(a,b,c,d,x[i+4],7,-176418897);
d=md5_ff(d,a,b,c,x[i+5],12,1200080426);
c=md5_ff(c,d,a,b,x[i+6],17,-1473231341);
b=md5_ff(b,c,d,a,x[i+7],22,-45705983);
a=md5_ff(a,b,c,d,x[i+8],7,1770035416);
d=md5_ff(d,a,b,c,x[i+9],12,-1958414417);
c=md5_ff(c,d,a,b,x[i+10],17,-42063);
b=md5_ff(b,c,d,a,x[i+11],22,-1990404162);
a=md5_ff(a,b,c,d,x[i+12],7,1804603682);
d=md5_ff(d,a,b,c,x[i+13],12,-40341101);
c=md5_ff(c,d,a,b,x[i+14],17,-1502002290);
b=md5_ff(b,c,d,a,x[i+15],22,1236535329);
a=md5_gg(a,b,c,d,x[i+1],5,-165796510);
d=md5_gg(d,a,b,c,x[i+6],9,-1069501632);
c=md5_gg(c,d,a,b,x[i+11],14,643717713);
b=md5_gg(b,c,d,a,x[i+0],20,-373897302);
a=md5_gg(a,b,c,d,x[i+5],5,-701558691);
d=md5_gg(d,a,b,c,x[i+10],9,38016083);
c=md5_gg(c,d,a,b,x[i+15],14,-660478335);
b=md5_gg(b,c,d,a,x[i+4],20,-405537848);
a=md5_gg(a,b,c,d,x[i+9],5,568446438);
d=md5_gg(d,a,b,c,x[i+14],9,-1019803690);
c=md5_gg(c,d,a,b,x[i+3],14,-187363961);
b=md5_gg(b,c,d,a,x[i+8],20,1163531501);
a=md5_gg(a,b,c,d,x[i+13],5,-1444681467);
d=md5_gg(d,a,b,c,x[i+2],9,-51403784);
c=md5_gg(c,d,a,b,x[i+7],14,1735328473);
b=md5_gg(b,c,d,a,x[i+12],20,-1926607734);
a=md5_hh(a,b,c,d,x[i+5],4,-378558);
d=md5_hh(d,a,b,c,x[i+8],11,-2022574463);
c=md5_hh(c,d,a,b,x[i+11],16,1839030562);
b=md5_hh(b,c,d,a,x[i+14],23,-35309556);
a=md5_hh(a,b,c,d,x[i+1],4,-1530992060);
d=md5_hh(d,a,b,c,x[i+4],11,1272893353);
c=md5_hh(c,d,a,b,x[i+7],16,-155497632);
b=md5_hh(b,c,d,a,x[i+10],23,-1094730640);
a=md5_hh(a,b,c,d,x[i+13],4,681279174);
d=md5_hh(d,a,b,c,x[i+0],11,-358537222);
c=md5_hh(c,d,a,b,x[i+3],16,-722521979);
b=md5_hh(b,c,d,a,x[i+6],23,76029189);
a=md5_hh(a,b,c,d,x[i+9],4,-640364487);
d=md5_hh(d,a,b,c,x[i+12],11,-421815835);
c=md5_hh(c,d,a,b,x[i+15],16,530742520);
b=md5_hh(b,c,d,a,x[i+2],23,-995338651);
a=md5_ii(a,b,c,d,x[i+0],6,-198630844);
d=md5_ii(d,a,b,c,x[i+7],10,1126891415);
c=md5_ii(c,d,a,b,x[i+14],15,-1416354905);
b=md5_ii(b,c,d,a,x[i+5],21,-57434055);
a=md5_ii(a,b,c,d,x[i+12],6,1700485571);
d=md5_ii(d,a,b,c,x[i+3],10,-1894986606);
c=md5_ii(c,d,a,b,x[i+10],15,-1051523);
b=md5_ii(b,c,d,a,x[i+1],21,-2054922799);
a=md5_ii(a,b,c,d,x[i+8],6,1873313359);
d=md5_ii(d,a,b,c,x[i+15],10,-30611744);
c=md5_ii(c,d,a,b,x[i+6],15,-1560198380);
b=md5_ii(b,c,d,a,x[i+13],21,1309151649);
a=md5_ii(a,b,c,d,x[i+4],6,-145523070);
d=md5_ii(d,a,b,c,x[i+11],10,-1120210379);
c=md5_ii(c,d,a,b,x[i+2],15,718787259);
b=md5_ii(b,c,d,a,x[i+9],21,-343485551);
a=safe_add(a,olda);
b=safe_add(b,oldb);
c=safe_add(c,oldc);
d=safe_add(d,oldd);
}
return Array(a,b,c,d);
}
function md5_cmn(q,a,b,x,s,t)
{
return safe_add(bit_rol(safe_add(safe_add(a,q),safe_add(x,t)),s),b);
}
function md5_ff(a,b,c,d,x,s,t)
{
return md5_cmn((b&c)|((~b)&d),a,b,x,s,t);
}
function md5_gg(a,b,c,d,x,s,t)
{
return md5_cmn((b&d)|(c&(~d)),a,b,x,s,t);
}
function md5_hh(a,b,c,d,x,s,t)
{
return md5_cmn(b^c^d,a,b,x,s,t);
}
function md5_ii(a,b,c,d,x,s,t)
{
return md5_cmn(c^(b|(~d)),a,b,x,s,t);
}
function core_hmac_md5(key,data)
{
var bkey=str2binl(key);
if(bkey.length>16)bkey=core_md5(bkey,key.length*chrsz);
var ipad=Array(16),opad=Array(16);
for(var i=0;i<16;i++)
{
ipad[i]=bkey[i]^0x36363636;
opad[i]=bkey[i]^0x5C5C5C5C;
}
var hash=core_md5(ipad.concat(str2binl(data)),512+data.length*chrsz);
return core_md5(opad.concat(hash),512+128);
}
function safe_add(x,y)
{
var lsw=(x&0xFFFF)+(y&0xFFFF);
var msw=(x>>16)+(y>>16)+(lsw>>16);
return(msw<<16)|(lsw&0xFFFF);
}
function bit_rol(num,cnt)
{
return(num<<cnt)|(num>>>(32-cnt));
}
function str2binl(str)
{
var bin=Array();
var mask=(1<<chrsz)-1;
for(var i=0;i<str.length*chrsz;i+=chrsz)
bin[i>>5]|=(str.charCodeAt(i/chrsz)&mask)<<(i%32);
return bin;
}
function binl2str(bin)
{
var str="";
var mask=(1<<chrsz)-1;
for(var i=0;i<bin.length*32;i+=chrsz)
str+=String.fromCharCode((bin[i>>5]>>>(i%32))&mask);
return str;
}
function binl2hex(binarray)
{
var hex_tab=hexcase?"0123456789ABCDEF":"0123456789abcdef";
var str="";
for(var i=0;i<binarray.length*4;i++)
{
str+=hex_tab.charAt((binarray[i>>2]>>((i%4)*8+4))&0xF)+
hex_tab.charAt((binarray[i>>2]>>((i%4)*8))&0xF);
}
return str;
}
function binl2b64(binarray)
{
var tab="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str="";
for(var i=0;i<binarray.length*4;i+=3)
{
var triplet=(((binarray[i>>2]>>8*(i%4))&0xFF)<<16)
|(((binarray[i+1>>2]>>8*((i+1)%4))&0xFF)<<8)
|((binarray[i+2>>2]>>8*((i+2)%4))&0xFF);
for(var j=0;j<4;j++)
{
if(i*8+j*6>binarray.length*32)str+=b64pad;
else str+=tab.charAt((triplet>>6*(3-j))&0x3F);
}
}
return str;
}

if(typeof Comentum === 'undefined') {
    Comentum = function () {};
}

Comentum.prototype.blowfish = '';

Comentum.prototype.hashString = '';

Comentum.prototype.hash = '';

Comentum.prototype.generateHash = function (form) {
    this.blowfish = form.blowfish.value;
    var elements = form.elements;
    var len = elements.length;
    for(var i = 0; i < len; i++) 
    {
        var element = elements[i];
        var string = '';
        var tagname = element.nodeName.toLowerCase();
        var evalue = element.value;
        if(typeof element.type !== 'undefined')
        {
            var etype = element.type.toLowerCase();
            if((etype === 'checkbox' || etype === 'radio') && element.checked !== false)
            {
                string = evalue || 'on';
            } 
            else if(etype === 'text' || etype === 'hidden') 
            {
                string = evalue;
            }
            else if(tagname === 'select')
            {
                string = element.options[element.selectedIndex].value;
            }
            else if(tagname === 'textarea')
            {
                string = element.value;
            }
        }
        else if(typeof evalue !== 'undefined' && evalue !== '')
        {
            string = evalue;
        }
        this.hashString += string;
    }
    this.hash = hex_hmac_md5(this.blowfish, this.hashString);
    form.hash.value = this.hash; 
};

Comentum.prototype.processForm = function (form) {
    this.generateHash(form);
    return false;
};

Comentum.prototype.validatePhoneNumber = function (element, text) {
    var phoneNumber = element.value.replace(/[^0-9]/g, '');
    if(phoneNumber.length < 7)
    {
        alert("You need to fill in a valid phone number for " + text);
        if(typeof element.focus === "function")
        {
            element.focus();
        }
        return false;
    }
    return true;
};

Comentum.prototype.validateEmail = function (element, text) {
    var email = element.value;
    var valid = email.indexOf(".") > 0 && email.indexOf("@") > 0;
    if(!valid)
    {
        alert("You need to fill in a valid email address for " + text);
        if(typeof element.focus === "function")
        {
            element.focus();
        }
        return false;
    }
    return true;
};

Comentum.prototype.validate = function (element, text) {
    var etype = typeof(element.type) != 'undefined' ? element.type.toLowerCase() : '';
    if(element.length > 1 && etype !== 'select')
    {
        element.value = "";
        for(var i = 0; i < element.length; i++)
        {
            if(element[i] === null) { continue; }
            if(element[i].checked === true)
            {
                element.value = element[i].value;
            }
        }
    }
    if(element.value === "")
    {
        alert("You need to fill in " + text);
        if(typeof element.focus === "function")
        {
            element.focus();
        }
        return false;
    }
    return true;
};

window['Comentum'] = Comentum;
Comentum.prototype['generateHash']        = Comentum.prototype.generateHash;
Comentum.prototype['processForm']         = Comentum.prototype.processForm;
Comentum.prototype['validateEmail']       = Comentum.prototype.validateEmail;
Comentum.prototype['validatePhoneNumber'] = Comentum.prototype.validatePhoneNumber;
Comentum.prototype['validate']            = Comentum.prototype.validate;