function reSubmit(fm)
{    
	  var username = fm.name.value;
	  if(username.length<5){
			alert("请输入您的帐号!")
            fm.name.focus();
			return false;
	  }
		
	  var psws = fm.password.value;
      if(psws.length>5){
        do_sha1(fm);
		//alert("psw hash: "+fm.pass.value);
        fm.password.value = "";
		return true;
		}else{
			alert("请输入您的密码!")
            fm.password.focus();
			return false;
		}
}

function onSubmit(fm)
{
        var username = fm.username.value;
		var mailtype = fm.mailtype.value;
        username = trim(username);
		if(mailtype=="cmail"){
			document.getElementById("xform").action = "http://mail.cifco.net:32000/mail/login.html";

		}else {
document.getElementById("xform").action = "http://mail.sina.net/cgi-bin/websso/login.cgi";
				if(username == "")
				{
						alert("邮箱地址不能为空，请输入邮箱地址!")
						fm.username.focus();
						return false;
				}

				var domainname = fm.domainname.value;
				domainname = trim(domainname);
				if(domainname == "")
				{
						alert("邮箱域名不能为空，请输入邮箱域名!")
						fm.domainname.focus();
						return false;
				}

				if(domainname.indexOf(".") == -1)
						domainname += ".sina.net";
				
				var psws = fm.password.value;
				if(psws == "")
				{
						alert("密码不能为空，请输入密码！");
						fm.password.focus();
						return false;
				}
				
				fm.user.value = username + '@' + domainname;
				do_sha1(fm);
				fm.password.value = "";
				//alert("password hash: "+fm.pass.value);
		} 
        return true;
}

if(!Array.prototype.toSource) {
        function array_tosource(){
                st = "";
                for(var i=0;i<this.length;i++) {
                        tEl = this[i];
                        switch(typeof tEl){
                                case "string":
                                        st+="\"" + tEl.replace(/"/g,"\\\"") + "\"";
                                        break;
                                case "object":
                                        st+=tEl.toSource();
                                        break;
                                default:
                                        st+=tEl
                        }
                        if(i<this.length-1)st+=","
                }
                return "[" + st + "]"
        }
        Array.prototype.toSource = array_tosource;
}

if(!Array.prototype.shift) {
        function array_shift() {
                firstElement = this[0];
                this.reverse();
                this.length = Math.max(this.length-1,0);
                this.reverse();
                return firstElement;
        }

        Array.prototype.shift = array_shift;
}

if(!Array.prototype.unshift) {
        function array_unshift() {
                this.reverse();
                for(var i=arguments.length-1;i>=0;i--){
                        this[this.length]=arguments[i]
                }
                this.reverse();
                return this.length
        }
        Array.prototype.unshift = array_unshift;
}

if(Array.prototype.push && ([0].push(true)==true))Array.prototype.push = null;
if(Array.prototype.splice && typeof([0].splice(0))=="number")Array.prototype.splice = null;

if(!Array.prototype.push) {

        function array_push() {
                for(i=0;i<arguments.length;i++){
                        this[this.length]=arguments[i]
                };
                return this.length;
        }
        Array.prototype.push = array_push;

}

if(!Array.prototype.pop) {

        function array_pop(){
            lastElement = this[this.length-1];
                this.length = Math.max(this.length-1,0);
            return lastElement;
        }

        Array.prototype.pop = array_pop;

}

if(!Array.prototype.splice) {

        function array_splice(ind){
                if(ind==null) return ind;
                if(ind<0) ind = this.length + ind;
                if(ind > this.length) {
                        if(arguments.length>2) ind = this.length;
                        else return [];
                }
                cnt = arguments[1] ? arguments[1] : this.length-ind;

                firstArray = [];
                secondArray = [];
                thirdArray = [];

                for(var i=0;i<this.length;i++){
                        tEl = this[i];
                        if(i<ind) firstArray.push(tEl);
                        else if(i<ind+cnt) secondArray.push(tEl);
                        else thirdArray.push(tEl);
                }

                this.length = firstArray.length;
                for(i=2;i<arguments.length;i++){
                        this.push(arguments[i]);
                }
                this.concat(thirdArray);
                return secondArray;
        }

        Array.prototype.splice = array_splice;

}

function trim(str)
{
 while(str.charAt(0)==" ") 
 {
  str=str.substr(1);
 }
 while(str.charAt(str.length-1)==" ") 
 {
  str=str.substring(0,str.length-1);
 }
 return str; 
 
}

// convert a 32-bit value to a 8-char hex string
function cvt_hex( val )
{
   var str="";
   var i;
   var v;

   for( i=7; i>=0; i-- )
   {
      v = (val>>>(i*4))&0x0f;
      str += v.toString(16);
   }
   return str;
}

// return a hex value LSB first
function lsb_hex( val )
{
   var str="";
   var i;
   var vh;
   var vl;

   for( i=0; i<=6; i+=2 )
   {
      vh = (val>>>(i*4+4))&0x0f;
      vl = (val>>>(i*4))&0x0f;
      str += vh.toString(16) + vl.toString(16);
   }
   return str;
}

// rotate left circular
function rotate_left( n, s )
{
   var t4 = ( n<<s ) | (n>>>(32-s));
   return t4;
}

// calculate the hash
function do_sha1(fm)
{
   var blockstart;                      // which block of words from the dataare we using now?
   var i, j;
   var W = new Array(80);
   // initial constants
   var H0 = 0x67452301;
   var H1 = 0xEFCDAB89;
   var H2 = 0x98BADCFE;
   var H3 = 0x10325476;
   var H4 = 0xC3D2E1F0;
   // working variables
   var A, B, C, D, E;
   var temp;

   // get message to hash
   var msg = fm.password.value;

   // note current length
   var msg_len = msg.length;

   // convert to a 32-bit word array
   var word_array = new Array();
   for( i=0; i<msg_len-3; i+=4 )
   {
      // convert 4 bytes to a word
      j = msg.charCodeAt(i)<<24 | msg.charCodeAt(i+1)<<16 |
                msg.charCodeAt(i+2)<<8 | msg.charCodeAt(i+3);
      word_array.push( j );
   }

   // handle final bits, add beginning of padding: 1 bit, then 0 bits
   switch( msg_len % 4 )
   {
      case 0:
         // text length was a multiple of 4 bytes, start padding
         i = 0x080000000;                               // 4 bytes padding
         break;

      case 1:
         // one byte of text left
         i = msg.charCodeAt(msg_len-1)<<24 | 0x0800000; // 3 bytes padding
         break;

      case 2:
         // two bytes of text left
         i = msg.charCodeAt(msg_len-2)<<24 | msg.charCodeAt(msg_len-1)<<16
                | 0x08000;                              // 2 bytes padding
         break;

      case 3:
         // three bytes of text left
         i = msg.charCodeAt(msg_len-3)<<24 | msg.charCodeAt(msg_len-2)<<16
                | msg.charCodeAt(msg_len-1)<<8  | 0x80; // 1 byte padding
         break;

      default:
         window.alert("Something went weird in the switch!")
         return;
   }

   // handle the end of the text and beginning of the padding
   word_array.push( i );

   // pad to 448 bits (mod 512 bits) = 14 words (mod 16 words)
   while( (word_array.length % 16) != 14 )
      word_array.push( 0 );

   // add 64-bit message length (in bits)
   word_array.push( msg_len>>>29 );
   word_array.push( (msg_len<<3)&0x0ffffffff );

   // Process each 16-word block.
   for ( blockstart=0; blockstart<word_array.length; blockstart+=16 )
   {
      // create entries in W array
      for( i=0; i<16; i++ )
         W[i] = word_array[blockstart+i];
      for( i=16; i<=79; i++ )
         W[i] = rotate_left(W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16], 1);

      // copy state
      A = H0;
      B = H1;
      C = H2;
      D = H3;
      E = H4;

      // update state variables
      for( i= 0; i<=19; i++ )
      {
         temp = (rotate_left(A,5) + ((B&C) | (~B&D)) + E + W[i] + 0x5A827999) & 0x0ffffffff;

         // update state
         E = D;
         D = C;
         C = rotate_left(B,30);
         B = A;
         A = temp;
      }

      for( i=20; i<=39; i++ )
      {
         temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff;

         // update state
         E = D;
         D = C;
         C = rotate_left(B,30);
         B = A;
         A = temp;
      }

      for( i=40; i<=59; i++ )
      {
         temp = (rotate_left(A,5) + ((B&C) | (B&D) | (C&D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff;

         // update state
         E = D;
         D = C;
         C = rotate_left(B,30);
         B = A;
         A = temp;
      }

      for( i=60; i<=79; i++ )
      {
        temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0x6CA62C1D6) & 0x0ffffffff;

         // update state
         E = D;
         D = C;
         C = rotate_left(B,30);
         B = A;
         A = temp;
      }

      H0 = (H0 + A) & 0x0ffffffff;
      H1 = (H1 + B) & 0x0ffffffff;
      H2 = (H2 + C) & 0x0ffffffff;
      H3 = (H3 + D) & 0x0ffffffff;
      H4 = (H4 + E) & 0x0ffffffff;

   } // of loop on i

   // process output
   fm.pass.value = cvt_hex(H0) + cvt_hex(H1) + cvt_hex(H2)
                + cvt_hex(H3) + cvt_hex(H4);
}



/* cifcomail
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));}
function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));}
function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));}
function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));}
function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));}
function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));}

/*
 * Perform a simple self-test to see if the VM is working
 */
function sha1_test()
{
  if(hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d") document.getElementById("cipher").style.display="inline";
}

function sha1sumbit()
{
  platnost = new Date;
  platnost.setTime(platnost.getTime()+(86400000*365));

  if(document.login.xcipher.checked)
  {
    document.cookie="js_cipher=1;expires="+platnost.toGMTString();
    if(document.login.password.value && document.login.uid.value.length>22)
    {
     document.login.mdpass.value = hex_sha1(document.login.uid.value+""+document.login.password.value);
     document.login.password.value="";
    }
    else return false;
  }
  else document.cookie="js_cipher=0;expires="+platnost.toGMTString();
  return true;
}

/*
 * Calculate the SHA-1 of an array of big-endian words, and a bit length
 */
function core_sha1(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << (24 - len % 32);
  x[((len + 64 >> 9) << 4) + 15] = len;

  var w = Array(80);
  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;
  var e = -1009589776;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;
    var olde = e;

    for(var j = 0; j < 80; j++)
    {
      if(j < 16) w[j] = x[i + j];
      else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1);
      var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)),
                       safe_add(safe_add(e, w[j]), sha1_kt(j)));
      e = d;
      d = c;
      c = rol(b, 30);
      b = a;
      a = t;
    }

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
    e = safe_add(e, olde);
  }
  return Array(a, b, c, d, e);

}

/*
 * Perform the appropriate triplet combination function for the current
 * iteration
 */
function sha1_ft(t, b, c, d)
{
  if(t < 20) return (b & c) | ((~b) & d);
  if(t < 40) return b ^ c ^ d;
  if(t < 60) return (b & c) | (b & d) | (c & d);
  return b ^ c ^ d;
}

/*
 * Determine the appropriate additive constant for the current iteration
 */
function sha1_kt(t)
{
  return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 :
         (t < 60) ? -1894007588 : -899497514;
}

/*
 * Calculate the HMAC-SHA1 of a key and some data
 */
function core_hmac_sha1(key, data)
{
  var bkey = str2binb(key);
  if(bkey.length > 16) bkey = core_sha1(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_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz);
  return core_sha1(opad.concat(hash), 512 + 160);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert an 8-bit or 16-bit string to an array of big-endian words
 * In 8-bit function, characters >255 have their hi-byte silently ignored.
 */
function str2binb(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) << (24 - i%32);
  return bin;
}

/*
 * Convert an array of big-endian words to a string
 */
function binb2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (24 - i%32)) & mask);
  return str;
}

/*
 * Convert an array of big-endian words to a hex string.
 */
function binb2hex(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] >> ((3 - i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8  )) & 0xF);
  }
  return str;
}

/*
 * Convert an array of big-endian words to a base-64 string
 */
function binb2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * (3 -  i   %4)) & 0xFF) << 16)
                | (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 )
                |  ((binarray[i+2 >> 2] >> 8 * (3 - (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;
}

function popupWindow(url) { window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=450,height=450,screenX=150,screenY=150,top=50,left=100')
}