function OpenKeyboard(obj){	  	
            	    refobj1=obj;	  	
	    window.status='';
	    kbwin = window.open("../shares/keyboard.php","kbwin","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=yes, copyhistory=no, width=380, height=200, addressbar=no, top=200, left=200")      
}
function ChkEmptiness(Object) {
	if(Object.value.length == 0) {
				alert("این فیلد نباید خالی باشد");
		Object.focus();
		return  false;
	}
	return  true;
}


var hex_chr = "0123456789abcdef";
function rhex(num){
	str = "";
	for(j = 0; j <= 3; j++)
  		str += hex_chr.charAt((num >> (j * 8 + 4)) & 0x0F) + hex_chr.charAt((num >> (j * 8)) & 0x0F);
	return str;
}
		/*
 		* Convert a string to a sequence of 16-word blocks, stored as an array.
 		* Append padding bits and the length, as described in the MD5 standard.
 		*/
function str2blks_MD5(str){
	nblk = ((str.length + 8) >> 6) + 1;
	blks = new Array(nblk * 16);
	for(i = 0; i < nblk * 16; i++) 
		blks[i] = 0;
	for(i = 0; i < str.length; i++)
  		blks[i >> 2] |= str.charCodeAt(i) << ((i % 4) * 8);
	blks[i >> 2] |= 0x80 << ((i % 4) * 8);
	blks[nblk * 16 - 2] = str.length * 8;
	return blks;
}
		/*
		* Add integers, wrapping at 2^32. This uses 16-bit operations internally 
		* to work around bugs in some JS interpreters.
		*/
function 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));
}
		/*
 		* These functions implement the basic operation for each round of the
 		* algorithm.
 		*/
function cmn(q, a, b, x, s, t) {
	return add(rol(add(add(a, q), add(x, t)), s), b);
}
function ff(a, b, c, d, x, s, t) {
	return cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function gg(a, b, c, d, x, s, t){
  	return cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function hh(a, b, c, d, x, s, t){
  	return cmn(b ^ c ^ d, a, b, x, s, t);
}
function ii(a, b, c, d, x, s, t){
  	return cmn(c ^ (b | (~d)), a, b, x, s, t);
}
		/*
 		* Take a string and return the hex representation of its MD5.
 		*/
function MD5(str){
	var a =  1732584193, b = -271733879, c = -1732584194, d =  271733878;
	x = str2blks_MD5(str);
	for(i = 0; i < x.length; i += 16) {
	var olda = a, oldb = b, oldc = c, oldd = d;
	a = ff(a, b, c, d, x[i+ 0], 7 , -680876936);
	d = ff(d, a, b, c, x[i+ 1], 12, -389564586);
	c = ff(c, d, a, b, x[i+ 2], 17, 606105819);
	b = ff(b, c, d, a, x[i+ 3], 22, -1044525330);
	a = ff(a, b, c, d, x[i+ 4], 7 , -176418897);
	d = ff(d, a, b, c, x[i+ 5], 12, 1200080426);
	c = ff(c, d, a, b, x[i+ 6], 17, -1473231341);
	b = ff(b, c, d, a, x[i+ 7], 22, -45705983);
	a = ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
	d = ff(d, a, b, c, x[i+ 9], 12, -1958414417);
	c = ff(c, d, a, b, x[i+10], 17, -42063);
	b = ff(b, c, d, a, x[i+11], 22, -1990404162);
	a = ff(a, b, c, d, x[i+12], 7 , 1804603682);
	d = ff(d, a, b, c, x[i+13], 12, -40341101);
	c = ff(c, d, a, b, x[i+14], 17, -1502002290);
	b = ff(b, c, d, a, x[i+15], 22, 1236535329);    
				
	a = gg(a, b, c, d, x[i+ 1], 5 , -165796510);
	d = gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
	c = gg(c, d, a, b, x[i+11], 14, 643717713);
	b = gg(b, c, d, a, x[i+ 0], 20, -373897302);
	a = gg(a, b, c, d, x[i+ 5], 5 , -701558691);
	d = gg(d, a, b, c, x[i+10], 9 , 38016083);
	c = gg(c, d, a, b, x[i+15], 14, -660478335);
	b = gg(b, c, d, a, x[i+ 4], 20, -405537848);
	a = gg(a, b, c, d, x[i+ 9], 5 , 568446438);
	d = gg(d, a, b, c, x[i+14], 9 , -1019803690);
	c = gg(c, d, a, b, x[i+ 3], 14, -187363961);
	b = gg(b, c, d, a, x[i+ 8], 20, 1163531501);
	a = gg(a, b, c, d, x[i+13], 5 , -1444681467);
	d = gg(d, a, b, c, x[i+ 2], 9 , -51403784);
	c = gg(c, d, a, b, x[i+ 7], 14, 1735328473);
	b = gg(b, c, d, a, x[i+12], 20, -1926607734);
				
	a = hh(a, b, c, d, x[i+ 5], 4 , -378558);
	d = hh(d, a, b, c, x[i+ 8], 11, -2022574463);
	c = hh(c, d, a, b, x[i+11], 16, 1839030562);
	b = hh(b, c, d, a, x[i+14], 23, -35309556);
	a = hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
	d = hh(d, a, b, c, x[i+ 4], 11, 1272893353);
	c = hh(c, d, a, b, x[i+ 7], 16, -155497632);
	b = hh(b, c, d, a, x[i+10], 23, -1094730640);
	a = hh(a, b, c, d, x[i+13], 4 , 681279174);
	d = hh(d, a, b, c, x[i+ 0], 11, -358537222);
	c = hh(c, d, a, b, x[i+ 3], 16, -722521979);
	b = hh(b, c, d, a, x[i+ 6], 23, 76029189);
	a = hh(a, b, c, d, x[i+ 9], 4 , -640364487);
	d = hh(d, a, b, c, x[i+12], 11, -421815835);
	c = hh(c, d, a, b, x[i+15], 16, 530742520);
	b = hh(b, c, d, a, x[i+ 2], 23, -995338651);
				
	a = ii(a, b, c, d, x[i+ 0], 6 , -198630844);
	d = ii(d, a, b, c, x[i+ 7], 10, 1126891415);
	c = ii(c, d, a, b, x[i+14], 15, -1416354905);
	b = ii(b, c, d, a, x[i+ 5], 21, -57434055);
	a = ii(a, b, c, d, x[i+12], 6 , 1700485571);
	d = ii(d, a, b, c, x[i+ 3], 10, -1894986606);
	c = ii(c, d, a, b, x[i+10], 15, -1051523);
	b = ii(b, c, d, a, x[i+ 1], 21, -2054922799);
	a = ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
	d = ii(d, a, b, c, x[i+15], 10, -30611744);
	c = ii(c, d, a, b, x[i+ 6], 15, -1560198380);
	b = ii(b, c, d, a, x[i+13], 21, 1309151649);
	a = ii(a, b, c, d, x[i+ 4], 6 , -145523070);
	d = ii(d, a, b, c, x[i+11], 10, -1120210379);
	c = ii(c, d, a, b, x[i+ 2], 15, 718787259);
	b = ii(b, c, d, a, x[i+ 9], 21, -343485551);
				
	a = add(a, olda);
	b = add(b, oldb);
	c = add(c, oldc);
	d = add(d, oldd);
	}
  	return rhex(a) + rhex(b) + rhex(c) + rhex(d);
}
function ChkForm(FormObj) {
        var t = FormObj.DummyVar.value;
        if(!ChkEmptiness(FormObj.UserID) || !ChkEmptiness(FormObj.DummyVar))
                return false;
        if(t.length < 6) {
               alert('Password must be at least 6 characters long!');
               FormObj.DummyVar.focus();
               return  false;
       }
       FormObj.UserPassword.value = MD5(FormObj.DummyVar.value);
       FormObj.DummyVar.value = '';
       return true;
}