function viewWMPInFullScreen() {
	if (MediaPlayer.playState == 3) {
		MediaPlayer.fullScreen = 'true';
	}
}
/*----------------------------------------------------------------------------*/
/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS PUB 180-1
*/
/*
 * 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_vm_test()
{
  return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d";
}

/*
 * 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) << (32 - chrsz - 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] >>> (32 - chrsz - 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 ModulePrintPage() {
  lochref = '' + this.location;
	if (lochref.indexOf('?') > 0) {
		lochref = '?' + lochref.substring((lochref.indexOf('?')) + 1);
	} else {
		lochref = '';
	}

	w_width = 790;
	w_height = 500;
	if (screen) {
		w_left = (screen.availWidth - w_width)/2;
		w_top = ((screen.availHeight - w_height)/2)-20;
	}
	theWindowParam = 'width='+w_width+',height='+w_height+',left='+w_left+',top='+w_top+',status=no,resizable=no,scrollbars=yes';

	fparam = 'print_mod.php'+lochref;
  window.showPrintWindow = open(fparam, 'showPrintWindow', theWindowParam);
	setTimeout('if(showPrintWindow&&!showPrintWindow.closed)showPrintWindow.focus()',100);
}

function ValidateForgotPasswordForm(theForm,theLang) {
  var email = theForm.email.value;
	
	if (!email) {
		if (theLang == 'gr') {
			alert("Πρέπει να γράψετε το email σας.");
		} else {
			alert("Enter your email.");
		}
		return false;
	} else if ((email.indexOf('@') == -1) || (email.indexOf('.') == -1)) {
		if (theLang == 'gr') {
			alert("Λανθασμένος τύπος email.");
		} else {
			alert("Wrong email format.");
		}
		return false;
	} else {
		return true;
	}
}

function ValidateUsrLoginForm(theForm,theLang) {
  var username = theForm.usr_log_username.value;
  var password = theForm.usr_log_password.value;
	
	if (!username) {
		if (theLang == 'gr') {
			alert("Πρέπει να γράψετε το Όνομα Χρήστη.");
		} else {
			alert("You must enter username.");
		}
		return false;
	} else if (!password) {
		if (theLang == 'gr') {
			alert("Πρέπει να γράψετε τον Κωδικό Πρόσβασης.");
		} else {
			alert("You must enter password.");
		}
		return false;
	} else {
		return true;
	}
}

function ValidateForm_UsrProfile_General(theForm) {
  var usr_fname = theForm.usr_fname.value;
  var usr_lname = theForm.usr_lname.value;
  var usr_idn = theForm.usr_idn.value;
  var usr_email = theForm.usr_email.value;
  var usr_log_username = theForm.usr_log_username.value;
  var usr_log_password = theForm.usr_log_password.value;
  var verifyusr_log_password = theForm.verifyusr_log_password.value;
  var usr_mobile_phone = theForm.usr_mobile_phone.value;
	
	if (!usr_fname) {
		alert("You must enter your first name.");
		return false;
	} else if (!usr_lname) {
		alert("You must enter your last name.");
		return false;
	} else if (!usr_idn) {
		alert("You must enter your Identity Card No.");
		return false;
	} else if (!usr_email) {
		alert("You must enter your email.");
		return false;
	} else if ((usr_email.indexOf('@') == -1) || (usr_email.indexOf('.') == -1)) {
		alert("Wrong email format.");
		return false;
	} else if (!usr_log_username) {
		alert("You must enter username.");
		return false;
	} else if ((usr_log_username.length < 4) && (usr_log_username != ' ')) {
		alert("Username must be more than 4 characters length");
		return false;
	} else if (!usr_log_password) {
		alert("You must enter password.");
		return false;
	} else if ((usr_log_password.length < 4) && (usr_log_password != ' ')) {
		alert("Password must be more than 4 characters length");
		return false;
	} else if ((usr_log_password.indexOf(' ') != -1) && (usr_log_password != ' ')) {
		alert("Wrong password format.");
		return false;
	} else if (usr_log_password != verifyusr_log_password) {
		alert("Verify password does not match.");
		return false;
	} else if (!usr_mobile_phone) {
		alert("You must enter your mobile phone.");
		return false;
	} else {
		return true;
	}
}
function ValidateForm_Usr_General(theForm) {
  var usr_fname = theForm.usr_fname.value;
  var usr_lname = theForm.usr_lname.value;
  var usr_idn = theForm.usr_idn.value;
  var usr_email = theForm.usr_email.value;
  var usr_log_username = theForm.usr_log_username.value;
  var usr_log_password = theForm.usr_log_password.value;
  var verifyusr_log_password = theForm.verifyusr_log_password.value;
  var usr_mobile_phone = theForm.usr_mobile_phone.value;
	var terms=theForm.terms_conditions.value;
	
	if (!usr_fname) {
		alert("You must enter your first name.");
		return false;
	} else if (!usr_lname) {
		alert("You must enter your last name.");
		return false;
	} else if (!usr_idn) {
		alert("You must enter your Identity Card No.");
		return false;
	} else if (!usr_email) {
		alert("You must enter your email.");
		return false;
	} else if ((usr_email.indexOf('@') == -1) || (usr_email.indexOf('.') == -1)) {
		alert("Wrong email format.");
		return false;
	} else if (!usr_log_username) {
		alert("You must enter username.");
		return false;
	} else if ((usr_log_username.length < 4) && (usr_log_username != ' ')) {
		alert("Username must be more than 4 characters length");
		return false;
	} else if (!usr_log_password) {
		alert("You must enter password.");
		return false;
	} else if ((usr_log_password.length < 4) && (usr_log_password != ' ')) {
		alert("Password must be more than 4 characters length");
		return false;
	} else if ((usr_log_password.indexOf(' ') != -1) && (usr_log_password != ' ')) {
		alert("Wrong password format.");
		return false;
	} else if (usr_log_password != verifyusr_log_password) {
		alert("Verify password does not match.");
		return false;
	} else if (!usr_mobile_phone) {
		alert("You must enter your mobile phone.");
		return false;
	} else if (terms != 'Y') {
		alert("You must read and agree to the Terms and Conditions.");
		return false;
	} else {
		return true;
	}
}

function ValidateForm_HilGrp_Confirm(theForm) {
	var view_confirm=theForm.view_confirm.value;
	var hil_id=theForm.hil_id.value;

	if (view_confirm != 'Y') {
		alert("You have to confirm that you want to view the group of highlights to proceed.");
		return false;
	} else if (!hil_id) {
		alert("You must select one of the highlights to proceed.");
		return false;
	} else {
		return true;
	}
}

function changeFieldValue(theField,theValue) {
	theValue = String (theValue);

	document.getElementById(theField).value = theValue;

}

function ValidateForm_Mat_Confirm(theForm) {
	var credits_type=theForm.credits_type.value;
	
	if (!credits_type) {
		alert("You have to confirm your selection.");
		return false;
	} else {
		return true;
	}
}


function changeCheckboxValue(theField, theValue) {
	if (theValue == 'Y') {
		theField.value = 'N';
	} else {
		theField.value = 'Y';
	}
}