    <!--
      /**************************
       ** Validation functions **
       **************************/
    function ClearAllOptionsAndCheckboxes(objCheckbox){
            var imax1 = objCheckbox.length
            for (var idx = 0; idx < imax1; idx++) {
                if (eval("objCheckbox[" + idx + "].checked") == true) {
                    objCheckbox[idx].checked = false ;
                }
            }
       } 
        
       function CheckRadioForInput(CheckField){
            var imax = CheckField.length - 1
            if (!(CheckField[imax].checked)) {
                return false;
            }
            return true
        }
        
      function CheckLinkField(field,langcode)
      {    
        if (field.value != "" & !( field.value.charAt(0) == "/" || field.value.substring(0,7) == "http://") )  
		  
        {
          if(langcode == "FR")
          {
            alert(field.value + " n'est pas un link valid !");
          }
          else if(langcode == "NL")
          { 

            alert(field.value + " is geen geldige link");
          }
          else if(langcode == "EN")
          {
            alert(field.value + " is not a valid link !");
          }
          return false;
        }
        else 
        {
          return true;
        }
      }
	   
	         function CheckRelativeLinkField(field,langcode)
      {    
        if (field.value != "" & !( field.value.charAt(0) == "/") )  
		  
        {
          if(langcode == "FR")
          {
            alert(field.value + " n'est pas un link relatif !");
          }
          else if(langcode == "NL")
          { 

            alert(field.value + " is geen relatieve link");
          }
          else if(langcode == "EN")
          {
            alert(field.value + " is not a relative link !");
          }
          return false;
        }
        else 
        {
          return true;
        }
      }
      function CheckAbsoluteLinkField(field,langcode)
      {    
        if(field.value != "" & field.value.substring(0,7) != "http://")  
        {
          if(langcode == "FR")
          {
            alert(field.value + " n'est pas un link relatif !");
          }
          else if(langcode == "NL")
          {
            alert(field.value + " is geen relatieve link");
          }
          else if(langcode == "EN")
          {
            alert(field.value + " is not a relative link !");
          }
          return false;
        }
        else 
        {
          return true;
        }
      }	   
	
      function schrikkelyear(year)
      {
        if((year % 4) == 0)
        {
          if((year % 100) == 0)
          {
            result = ((year % 400) == 0);
          }
          else
          {
            result = true;
          }
        }
        else
        {
          result = false;
        }
        return result;
      }


      function TrimZeroes(numstring)
      {
        while(numstring.charAt(0) == "0") numstring = numstring.substring(1);
        if(numstring == "") numstring = "0";
        return numstring;
      }


      function CheckNumberField(field,fieldname,max,min,langcode)
      {    
        sNo = TrimZeroes(field.value);
        lNo = parseInt(sNo);
        sNewNo = lNo + "";
        if(field.value != "" && (sNewNo != sNo || lNo > max || lNo < min))
        {
	  if(langcode == "FR")
          {
            alert(fieldname + ": " + field.value + " n\’est pas un chiffre ou n\’est pas un chiffre entre  " + min + " et " + max + "!");
          }
          else if(langcode == "NL")
          {
            alert(fieldname + ": " + field.value + " is geen nummer of is geen nummer tussen " + min + " en " + max + "!");
          }
          else if(langcode == "EN")
          {
            alert(fieldname + ": " + field.value + " is not a number or is not a number between " + min + " and " + max + "!");
          }          
          field.value="";
          return false;
        }
        else 
        {
          return true;
        }
      }


	function CheckNumberField2(field,fieldname,min,langcode)
      {    
        sNo = TrimZeroes(field.value);
        lNo = parseInt(sNo);
        sNewNo = lNo + "";
        if(field.value != "" && (sNewNo != sNo || lNo <= min))
        {
          if(langcode == "FR")
          {
            alert(fieldname + ": " + field.value + " n\’est pas un chiffre ou est trop petit!!");
          }
          else if(langcode == "NL")
          {
            alert(fieldname + ": " + field.value + " is geen nummer of is te klein!");
          }
          else if(langcode == "EN")
          {
            alert(fieldname + ": " + field.value + " is not a number or is too small!");
          }          
          field.value="";
          return false;
        }
        else 
        {
          return true;
        }
      }


      function CheckStringField(field,fieldname,ilength,langcode)
      {
        if(field.value.length > ilength)
        {
          if(langcode == "FR")
          {
            alert("La case '" + fieldname + "' contient trop de characters! (maximum " + ilength + ")");
          }
          else if(langcode == "NL")
          {
            alert("Het veld '" + fieldname + "' bevat teveel karakters! (maximum " + ilength + ")");
          }
          else if(langcode == "EN")
          {
            alert(field.value + " contains too many characters ! (maximum " + ilength + ")");
          }
          field.value="";
          return false;
        }
        else 
        {
          return true;
        }
      }  
      

      function CheckStringField2(field,fieldname,iMaxlength,iMinlength,langcode)
      {
        if(field.value.length > iMaxlength || field.value.length < iMinlength)
        {
          if(langcode == "FR")
          {
            alert("Le champ '" + fieldname + "' doit comporter un nombre de minimum " + iMinlength + " et maximum " + iMaxlength + " chiffres.");
          }
          else if(langcode == "NL")
          {
            alert("Het veld '" + fieldname + "' moet een getal zijn van minimum " + iMinlength + " en maximum " + iMaxlength + " cijfers");
          }
          else if(langcode == "EN")
          {
            alert("The field '" + fieldname + "' contains too many characters ! (minimum " + iMinlength + " - maximum " + iMaxlength + ")");
          }
          field.value="";
          return false;
        }
        else 
        {
          return true;
        }
      }  


      function CheckDateField(yearfield, monthfield, dayfield, langcode)
      {
        datefield = dayfield.value + "/" + monthfield.value + "/" + yearfield.value;
        if((yearfield.value == "") || (monthfield.value == "") || (dayfield.value == ""))
        {
          if((yearfield.value) || (monthfield.value) || (dayfield.value))
          {
            if(langcode == "FR")
            {
              alert(datefield + " n'est pas une date authorisée");
            }
            else if(langcode == "NL")
            {
              alert(datefield + " is geen geldige datum");
            }
            else if(langcode == "EN")
            {
              alert(datefield + " is not a valid date");
            }            
            yearfield.value = "";
            monthfield.value = "";
            dayfield.value = "";
            return false
          }
          else
          {
            return true;
          }
        }
        else
        {
          if(!(CheckNumberField(yearfield,   2070, 1, langcode))) return false;
          if(!(CheckNumberField(monthfield,    12, 1, langcode))) return false;
          if(!(CheckNumberField(dayfield,      31, 1, langcode))) return false;
          
          monthval = parseInt(TrimZeroes(monthfield.value));
          dayval = parseInt(TrimZeroes(dayfield.value));
          yearval = parseInt(TrimZeroes(yearfield.value));
          
          if((monthval == 4) || (monthval == 6) || (monthval == 9) || (monthval == 11))
          {
            maxday = 30;
          }
          else if(monthval == 2)
          {
            if(schrikkelyear(yearval)) maxday = 29;
            else                       maxday = 28;
          }
          else
          {
            maxday = 31;
          }
          
          if(dayval > maxday)
          {
            if(langcode == "FR")
            {
              alert(datefield + " n'est pas une date authorisée");
            }
            else if(langcode == "NL")
            {
              alert(datefield + " is geen geldige datum");
            }
            else if(langcode == "EN")
            {
              alert(datefield + " is not a valid date");
            }                        
            yearfield.value = "";
            monthfield.value = "";
            dayfield.value = "";
            return false
          }
          else
          {
            return true;
          }
        }
      }

      
      function TrimSpaces(sstring)
      {
        while(sstring.charAt(0) == " ") sstring = sstring.substring(1);
        return sstring;
      }

      function CheckMandatoryField(field, fieldname, langcode)
      {
        if(TrimSpaces(field.value) == "")
        {
          if(langcode == "FR")
          {
            alert("La case '" + fieldname + "' est obligatoire !");
          }
          else if(langcode == "NL")
          {
            alert("Het veld '" + fieldname + "' is verplicht.");
          }
          else if(langcode == "EN")
          {
            alert(fieldname + " is mandatory !");
          }          
          return false;
        }
        else 
        {
          return true;
        }
      }


      function CheckExclusiveMandatoryFields(field1, field1name, field2, field2name, langcode)
      {
        if((field1.value == "") && (field2.value == ""))
        {
          if(langcode == "FR")
          {
            alert("La case '" + fiel1dname + "' ou la case '" + fiel2dname + "' est obligatoire !");
          }
          else if(langcode == "NL")
          {
            alert("Het veld '" + field1name + "' of het veld'" + field2name + "' is verplicht !");
          }
          else if(langcode == "EN")
          {
            alert(field1name + " or " + field2name + " is mandatory !");
          }          
          return false;
        }
        else 
        {
          return true;
        }
      }
      

      function CheckMandatoryRadio(field, fieldname,langcode)
      {
        checked = false;
        for(i = 0 ;i < field.length ; i++)
        {
          checked |= field[i].checked;
        }
        if(!checked)
        {
          
          if(langcode == "FR")
          {
            alert("La case '" + fieldname + "' est obligatoire !");
          }
          else if(langcode == "NL")
          {
            alert("Het veld '" + fieldname + "' is verplicht!");
          }
          else if(langcode == "EN")
          {
            alert(fieldname + " is mandatory !");
          }   
       
          return false;
        }
        else 
        {
          return true;
        }
      }

      function CheckMandatorySelect(field, fieldname,langcode)
      {
        checked = false;
        for(i = 0 ;i < field.length ; i++)
        {
          if(!field[i].value == '')
          {
            checked |= field[i].selected;
          }
        }
        if(!checked)
        {
          
          if(langcode == "FR")
          {
            alert("La case '" + fieldname + "' est obligatoire !");
          }
          else if(langcode == "NL")
          {
            alert("Het veld '" + fieldname + "' is verplicht!");
          }
          else if(langcode == "EN")
          {
            alert(fieldname + " is mandatory !");
          } 
  
          return false;
        }
        else 
        {
          return true;
        }
      }
 

      function CheckMandatorycheckbox(field, fieldname, langcode)
      {
        checked = false;
        for(i = 0 ;i < field.length ; i++)
        {
          if(field[i].checked )
          {
            checked = true ;
          }
        }
        if(checked == false )
        {
          if(langcode == "FR")
          {
            alert("Pour continuer, veuillez faire votre choix dans la liste '" + fieldname + "'.");
          }
          else if(langcode == "NL")
          {
            alert("Gelieve in de lijst '" + fieldname + "' een keuze te maken om verder te gaan.");
          }
          else if(langcode == "EN")
          {
            alert(fieldname + " is mandatory !");
          }                    
          return false;
        }
        else 
        {
          return true;
        }
      }
 

      function CheckMandatoryConfirmationcheckbox(field, customMessage)
      {
        if(field.checked == false )
        {
	  alert(customMessage);
          return false;
        }
        else 
        {
          return true;
        }
      }


 function CheckEmail (field, fieldname, langcode) {
      
      emailStr = field.value;
    
    /* The following pattern is used to check if the entered e-mail address
       fits the user@domain format.  It also is used to separate the username
       from the domain. */

    var emailPat=/^(.+)@(.+)$/

    /* The following string represents the pattern for matching all special
       characters.  We don't want to allow special characters in the address. 
       These characters include ( ) < > @ , ; : \ " . [ ]    */

    var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"

    /* The following string represents the range of characters allowed in a 
       username or domainname.  It really states which chars aren't allowed. */

    var validChars="\[^\\s" + specialChars + "\]"

    /* The following pattern represents the range of characters allowed as
       the first character in a valid username or domain.  I just made it
       the same as above, but if you want to add a different constraint,
       you would change it here. */

    var firstChars=validChars

    /* The following pattern applies if the "user" is a quoted string (in
       which case, there are no rules about which characters are allowed
       and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
       is a legal e-mail address. */

    var quotedUser="(\"[^\"]*\")"

    /* The following pattern applies for domains that are IP addresses,
       rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
       e-mail address. NOTE: The square brackets are required. */

    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/

    /* The following string represents at atom (basically a series of
       non-special characters.) */

    var atom="(" + firstChars + validChars + "*" + ")"

    /* The following string represents one word in the typical username.
       For example, in john.doe@somewhere.com, john and doe are words.
       Basically, a word is either an atom or quoted string. */

    var word="(" + atom + "|" + quotedUser + ")"

    // The following pattern describes the structure of the user

    var userPat=new RegExp("^" + word + "(\\." + word + ")*$")

    /* The following pattern describes the structure of a normal symbolic
       domain, as opposed to ipDomainPat, shown above. */

    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


    /* Finally, let's start trying to figure out if the supplied address is
       valid. */

    /* Begin with the course pattern to simply break up user@domain into
       different pieces that are easy to analyze. */
    var matchArray=emailStr.match(emailPat)
    if (matchArray==null) {
      /* Too many/few @'s or something; basically, this address doesn't
         even fit the general mould of a valid e-mail address. */
       if (langcode == "FR")
        {
         alert(fieldname + ": L'adresse e-mail n'est pas correcte. Une adresse e-mail contient toujours une arobase, au moins un point et un nom de domaine.")
        }
        else if (langcode == "NL")
        {
          alert("Het " + fieldname + " is niet correct. Ieder e-mailadres bevat een '@', minstens één '.' en een domeinnaam.")
        }
        else if (langcode == "EN")
        {
          alert(fieldname + ": address seems incorrect (check @ and .'s)")
        }        
        
        return false
    }
    var user=matchArray[1]
    var domain=matchArray[2]

    // See if "user" is valid 
    if (user.match(userPat)==null) {
        // user is not valid
        if (langcode == "FR")
        {
          alert(fieldname + ": le nom d\’utilisateur semble incorrect.")
        }
        else if (langcode == "NL")
        {
          alert("De 'username' in het " + fieldname + " is niet correct.")
        }
        else if (langcode == "EN")
        {
          alert(fieldname + ": username doesn't seem to be valid.")
        }        
        
        return false
    }
    /* if the e-mail address is at an IP address (as opposed to a symbolic
       host name) make sure the IP address is valid. */
    var IPArray=domain.match(ipDomainPat)
    if (IPArray!=null) {
        // this is an IP address
        for (var i=1;i<=4;i++) {
          if (IPArray[i]>255) {
        if (langcode == "FR")
        {
          alert(fieldname + ": l\’adresse IP du destinataire est incorrecte!")
        }
        else if (langcode == "EN")
        {
          alert(fieldname + ": destination IP address is invalid!")
        }
        else if (langcode == "NL")
        {
          alert(fieldname + ": destination IP address is invalid!")
        }        
              
        return false
          }
        }
        return true
    }

    // Domain is symbolic name
    var domainArray=domain.match(domainPat)
    if (domainArray==null) {
        if (langcode == "FR")
        {
          alert(fieldname + ": le nom de domaine semble incorrect.")
        }
        else if (langcode == "EN")
        {
          alert(fieldname + ": domain name doesn't seem to be valid.")
        }
        else if (langcode == "NL")
        {
          alert(fieldname + ": domain name doesn't seem to be valid.")
        }        

        return false
    }
    /* domain name seems valid, but now make sure that it ends in a
       three-letter word (like com, edu, gov) or a two-letter word,
       representing country (uk, nl).
       If there's a country code at the end of the address, the full domain
       must include a hostname and category (e.g. host.co.uk or host.pub.nl).
       If it ends in a .com or something, make sure there's a hostname.*/

    /* Now we need to break up the domain to get a count of how many atoms
       it consists of. */
    var atomPat=new RegExp(atom,"g")
    var domArr=domain.match(atomPat)
    var len=domArr.length
    if (domArr[domArr.length-1].length<2 || 
        domArr[domArr.length-1].length>3) {
       // the address must end in a two letter or three letter word.
        if (langcode == "FR")
        {
          alert(fieldname + ": l\’adresse doit se terminer par un domaine en trois lettres ou un code de pays en deux lettres.")
        }
        else if (langcode == "EN")
        {
          alert(fieldname + ": address must end in a three-letter domain, or two letter country.")
        }
        else if (langcode == "NL")
        {
          alert("Het domein van het " + fieldname + " moet uit 2 of 3 letters bestaan.")
        }        

       return false
    }


    /* If it just ends in .com, .gov, etc., make sure there's a host name.
       This case can never actually happen because earlier checks take
       care of this implicitly, but we'll do it anyway. */
    if (domArr[domArr.length-1].length==3 && len<2) {
       var errStr="This address is missing a hostname!"
        if (langcode == "FR")
        {
          alert(fieldname + ": il manque l\’adresse d\’hébergement dans cette adresse!")
        }
        else if (langcode == "EN")
        {
          alert(fieldname + ": This address is missing a hostname!")
        }
        else if (langcode == "NL")
        {
           alert(fieldname + ": This address is missing a hostname!")
        }        

       return false
    }
    // If we've gotten this far, everything's valid!
    return true;
    }



    //-->

    //-->