function array(n) {
	  for(i=0;i<n;i++) this[i]=0;
	  this.length=n;
	}
	
	/* Some basic logical functions had to be rewritten because of a bug in
	 * Javascript.. Just try to compute 0xffffffff >> 4 with it..
	 * Of course, these functions are slower than the original would be, but
	 * at least, they work!
	 */
	
	function integer(n) { return n%(0xffffffff+1); }
	
	function shr(a,b) {
	  a=integer(a);
	  b=integer(b);
	  if (a-0x80000000>=0) {
		a=a%0x80000000;
		a>>=b;
		a+=0x40000000>>(b-1);
	  } else
		a>>=b;
	  return a;
	}
	
	function shl1(a) {
	  a=a%0x80000000;
	  if (a&0x40000000==0x40000000)
	  {
		a-=0x40000000;  
		a*=2;
		a+=0x80000000;
	  } else
		a*=2;
	  return a;
	}
	
	function shl(a,b) {
	  a=integer(a);
	  b=integer(b);
	  for (var i=0;i<b;i++) a=shl1(a);
	  return a;
	}
	
	function and(a,b) {
	  a=integer(a);
	  b=integer(b);
	  var t1=(a-0x80000000);
	  var t2=(b-0x80000000);
	  if (t1>=0) 
		if (t2>=0) 
		  return ((t1&t2)+0x80000000);
		else
		  return (t1&b);
	  else
		if (t2>=0)
		  return (a&t2);
		else
		  return (a&b);  
	}
	
	function or(a,b) {
	  a=integer(a);
	  b=integer(b);
	  var t1=(a-0x80000000);
	  var t2=(b-0x80000000);
	  if (t1>=0) 
		if (t2>=0) 
		  return ((t1|t2)+0x80000000);
		else
		  return ((t1|b)+0x80000000);
	  else
		if (t2>=0)
		  return ((a|t2)+0x80000000);
		else
		  return (a|b);  
	}
	
	function xor(a,b) {
	  a=integer(a);
	  b=integer(b);
	  var t1=(a-0x80000000);
	  var t2=(b-0x80000000);
	  if (t1>=0) 
		if (t2>=0) 
		  return (t1^t2);
		else
		  return ((t1^b)+0x80000000);
	  else
		if (t2>=0)
		  return ((a^t2)+0x80000000);
		else
		  return (a^b);  
	}
	
	function not(a) {
	  a=integer(a);
	  return (0xffffffff-a);
	}
	
	/* Here begin the real algorithm */
	
		var state = new array(4); 
		var count = new array(2);
	  count[0] = 0;
	  count[1] = 0;                     
		var buffer = new array(64); 
		var transformBuffer = new array(16); 
		var digestBits = new array(16);
	
		var S11 = 7;
		var S12 = 12;
		var S13 = 17;
		var S14 = 22;
		var S21 = 5;
		var S22 = 9;
		var S23 = 14;
		var S24 = 20;
		var S31 = 4;
		var S32 = 11;
		var S33 = 16;
		var S34 = 23;
		var S41 = 6;
		var S42 = 10;
		var S43 = 15;
		var S44 = 21;
	
		function F(x,y,z) {
	  return or(and(x,y),and(not(x),z));
		}
	
		function G(x,y,z) {
	  return or(and(x,z),and(y,not(z)));
		}
	
		function H(x,y,z) {
	  return xor(xor(x,y),z);
		}
	
		function I(x,y,z) {
	  return xor(y ,or(x , not(z)));
		}
	
		function rotateLeft(a,n) {
	  return or(shl(a, n),(shr(a,(32 - n))));
		}
	
		function FF(a,b,c,d,x,s,ac) {
			a = a+F(b, c, d) + x + ac;
	  a = rotateLeft(a, s);
	  a = a+b;
	  return a;
		}
	
		function GG(a,b,c,d,x,s,ac) {
	  a = a+G(b, c, d) +x + ac;
	  a = rotateLeft(a, s);
	  a = a+b;
	  return a;
		}
	
		function HH(a,b,c,d,x,s,ac) {
	  a = a+H(b, c, d) + x + ac;
	  a = rotateLeft(a, s);
	  a = a+b;
	  return a;
		}
	
		function II(a,b,c,d,x,s,ac) {
	  a = a+I(b, c, d) + x + ac;
	  a = rotateLeft(a, s);
	  a = a+b;
	  return a;
		}
	
		function transform(buf,offset) { 
	  var a=0, b=0, c=0, d=0; 
	  var x = transformBuffer;
	  
	  a = state[0];
	  b = state[1];
	  c = state[2];
	  d = state[3];
	  
	  for (i = 0; i < 16; i++) {
		  x[i] = and(buf[i*4+offset],0xff);
		  for (j = 1; j < 4; j++) {
		x[i]+=shl(and(buf[i*4+j+offset] ,0xff), j * 8);
		  }
	  }
	
	  /* Round 1 */
	  a = FF ( a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
	  d = FF ( d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
	  c = FF ( c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
	  b = FF ( b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
	  a = FF ( a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
	  d = FF ( d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
	  c = FF ( c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
	  b = FF ( b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
	  a = FF ( a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
	  d = FF ( d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
	  c = FF ( c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
	  b = FF ( b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
	  a = FF ( a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
	  d = FF ( d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
	  c = FF ( c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
	  b = FF ( b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
	
	  /* Round 2 */
	  a = GG ( a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
	  d = GG ( d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
	  c = GG ( c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
	  b = GG ( b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
	  a = GG ( a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
	  d = GG ( d, a, b, c, x[10], S22,  0x2441453); /* 22 */
	  c = GG ( c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
	  b = GG ( b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
	  a = GG ( a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
	  d = GG ( d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
	  c = GG ( c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
	  b = GG ( b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
	  a = GG ( a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
	  d = GG ( d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
	  c = GG ( c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
	  b = GG ( b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
	
	  /* Round 3 */
	  a = HH ( a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
	  d = HH ( d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
	  c = HH ( c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
	  b = HH ( b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
	  a = HH ( a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
	  d = HH ( d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
	  c = HH ( c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
	  b = HH ( b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
	  a = HH ( a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
	  d = HH ( d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
	  c = HH ( c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
	  b = HH ( b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
	  a = HH ( a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
	  d = HH ( d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
	  c = HH ( c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
	  b = HH ( b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
	
	  /* Round 4 */
	  a = II ( a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
	  d = II ( d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
	  c = II ( c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
	  b = II ( b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
	  a = II ( a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
	  d = II ( d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
	  c = II ( c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
	  b = II ( b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
	  a = II ( a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
	  d = II ( d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
	  c = II ( c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
	  b = II ( b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
	  a = II ( a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
	  d = II ( d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
	  c = II ( c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
	  b = II ( b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
	
	  state[0] +=a;
	  state[1] +=b;
	  state[2] +=c;
	  state[3] +=d;
	
		}
	
		function init() {
	  count[0]=count[1] = 0;
	  state[0] = 0x67452301;
	  state[1] = 0xefcdab89;
	  state[2] = 0x98badcfe;
	  state[3] = 0x10325476;
	  for (i = 0; i < digestBits.length; i++)
		  digestBits[i] = 0;
		}
	
		function update(b) { 
	  var index,i;
	  
	  index = and(shr(count[0],3) , 0x3f);
	  if (count[0]<0xffffffff-7) 
		count[0] += 8;
			else {
		count[1]++;
		count[0]-=0xffffffff+1;
			  count[0]+=8;
			}
	  buffer[index] = and(b,0xff);
	  if (index  >= 63) {
		  transform(buffer, 0);
	  }
		}
	
		function finish() {
	  var bits = new array(8);
	  var  padding; 
	  var  i=0, index=0, padLen=0;
	
	  for (i = 0; i < 4; i++) {
		  bits[i] = and(shr(count[0],(i * 8)), 0xff);
	  }
			for (i = 0; i < 4; i++) {
		  bits[i+4]=and(shr(count[1],(i * 8)), 0xff);
	  }
	  index = and(shr(count[0], 3) ,0x3f);
	  padLen = (index < 56) ? (56 - index) : (120 - index);
	  padding = new array(64); 
	  padding[0] = 0x80;
			for (i=0;i<padLen;i++)
		update(padding[i]);
			for (i=0;i<8;i++) 
		update(bits[i]);
	
	  for (i = 0; i < 4; i++) {
		  for (j = 0; j < 4; j++) {
		digestBits[i*4+j] = and(shr(state[i], (j * 8)) , 0xff);
		  }
	  } 
		}
	
	/* End of the MD5 algorithm */
	
	function hexa(n) {
	 var hexa_h = "0123456789abcdef";
	 var hexa_c=""; 
	 var hexa_m=n;
	 for (hexa_i=0;hexa_i<8;hexa_i++) {
	   hexa_c=hexa_h.charAt(Math.abs(hexa_m)%16)+hexa_c;
	   hexa_m=Math.floor(hexa_m/16);
	 }
	 return hexa_c;
	}
	
	
	var ascii="01234567890123456789012345678901" +
			  " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"+
			  "[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
	
	function MD5(entree) 
	{
	 var l,s,k,ka,kb,kc,kd;
	
	 init();
	 for (k=0;k<entree.length;k++) {
	   l=entree.charAt(k);
	   update(ascii.lastIndexOf(l));
	 }
	 finish();
	 ka=kb=kc=kd=0;
	 for (i=0;i<4;i++) ka+=shl(digestBits[15-i], (i*8));
	 for (i=4;i<8;i++) kb+=shl(digestBits[15-i], ((i-4)*8));
	 for (i=8;i<12;i++) kc+=shl(digestBits[15-i], ((i-8)*8));
	 for (i=12;i<16;i++) kd+=shl(digestBits[15-i], ((i-12)*8));
	 s=hexa(kd)+hexa(kc)+hexa(kb)+hexa(ka);
	 return s; 
	}
	
	/* This implement the MD5 test suite */
	var testOk=false;
	function teste() {
	 if (testOk) return;
	 document.test.o1.value=MD5(document.test.i1.value);
	 document.test.o2.value=MD5(document.test.i2.value);
	 document.test.o3.value=MD5(document.test.i3.value);
	 document.test.o4.value=MD5(document.test.i4.value);
	 document.test.o5.value=MD5(document.test.i5.value);
	 document.test.o6.value=MD5(document.test.i6.value);
	 document.test.o7.value=MD5(document.test.i7.value);
	 testOk=true;
	}
	
	function do_psw(){
		dateStamp = new Date();
		dateStamp.getDate();
		dateYear  = dateStamp.getFullYear();
		dateMonth = (dateStamp.getMonth() + 1) + "";
		dateMonth = dateMonth.length == 1? "0"+dateMonth:dateMonth;
		dateDay   = dateStamp.getDate() + "";
		dateDay   = dateDay.length == 1? "0"+dateDay:dateDay;
		dateHour  = dateStamp.getHours() + "";
		dateHour  = dateHour.length == 1? "0"+dateHour:dateHour;
		StampDate = dateYear + "" + dateMonth + "" + dateDay + "" + dateHour ;
		document.logform.pasw.value = MD5(document.logform.pasw.value+StampDate);
		return true;
	}

	function submitenter(myfield,e) {
		var keycode;
		if (window.event) keycode = window.event.keyCode;
		else if (e) keycode = e.which;
		else return true;

		if (keycode == 13) {
			do_psw();
			myfield.form.submit();
   			return false;
		} else {
   			return true;
		}
	}