<!--BEGIN Script
// Script Editor: Michel Kuijpers
// Browser Compatible for the script: IE 5.5 or Higher

var fields = ""
var debug = ""

function checkFields() {
  if (debug) {alert("Start")}
  // -------------------------------------------------------------------------------
  // Init -- Start
  var correct = true
  var message = ""
  fields = ""
  if (!document.DMS.required) {alert("Required is niet geplaats!"); return false}
  if (document.DMS.required.value == "") {alert("Required wel aanwezig maar niet ingevuld!"); return false}
  if (document.DMS.requiredAlert) {
    if (document.DMS.requiredAlert.value == "") {
      alert("RequiredAlert wel aanwezig maar niet ingevuld!");
      return false
    }
    else {
      message = document.DMS.requiredAlert.value
      message = message+"\n"
    }
  }
  else {
    message = "Gaarne de volgende veld(en) invullen:\n"
  }
  /* If requiredReplace is available and has the same amount of fields as required than
     replace the field names in the error messages with the fieldnames of requiredReplace */
  var required_array=document.DMS.required.value.split(",");
  if (document.DMS.requiredReplace) {
    var requiredReplace_array=document.DMS.requiredReplace.value.split(",");
    if (required_array.length == requiredReplace_array.length) {
      var requiredName_array = requiredReplace_array
    }
    else {
      var requiredName_array = required_array
    }
  }
  else {
    var requiredName_array = required_array
  }
  if (debug) {alert("Init ready")}
  if (debug) {
    var temp_message = ""
    for (var n = 0; n < required_array.length; n++) {
      if (temp_message != "") { temp_message = temp_message+"\n" }
      temp_message = temp_message+"  - "+required_array[n]
    }
    alert("Required are:\n"+temp_message)
  }
  // Init -- End
  // -------------------------------------------------------------------------------


  for (var n = 0; n < required_array.length; n++) {
    //Determine what kind of field it is
    if (document.DMS.elements[required_array[n]].length) {
      //Field is a Radio/Checkbox
      //alert("Field is a Radio/Checkbox")
      var checked = false
      for (i=0;i<document.DMS.elements[required_array[n]].length;i++) {
        if (document.DMS.elements[required_array[n]][i].checked) {
          checked = true
        }
      }
      if (checked == false) {
        if (fields != "") { fields = fields+"\n" }
        fields = fields+"  - "+requiredName_array[n]
        correct = false
        //alert("Geef aub uw "+required_array[n]+" in!")
      }
    }
    else {
      //Field is a Textfield
      //alert("Field is a Textfield")
      //alert("Field:"+required_array[n])
      //alert("Test:"+document.getElementsByName("naam").value)

      if (document.DMS.elements[required_array[n]].value == "") {
        if (fields != "") { fields = fields+"\n" }
        fields = fields+"  - "+requiredName_array[n]
        correct = false
//        alert("Geef aub uw "+required_array[n]+" in!")
      }
      else if (required_array[n] == "email") {
        var emailValid
        emailValid = emailCheck(document.DMS.elements[required_array[n]].value)
//        alert("Email Valid:"+emailValid)
        if (correct == true) {
          correct = emailValid
        }
      }
    }
  }
  if (correct == false) { alert(message+fields) }
  if (debug) { alert("End") }
  return correct
}

function emailCheck(emailStr) {
  /* 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 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=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
  /* The following string represents an atom (basically a series of
     non-special characters.) */
  var atom=validChars + '+'
  /* The following string represents one word in the typical username.
     For example, in john.doe@somewhere.com, john and doe are words.
     Basically, a word is either an atom or quoted string. */
  var word="(" + atom + "|" + quotedUser + ")"
  // The following pattern describes the structure of the user
  var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
  /* 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 coarse 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 (fields != "") { fields = fields+"\n" }
    fields = fields+"  - Email address seems incorrect (check @ and .'s)"
//    alert("Email 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 (fields != "") { fields = fields+"\n" }
    fields = fields+"  - The username doesn't seem to be valid."
//    alert("The 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 (fields != "") { fields = fields+"\n" }
        fields = fields+"  - Destination IP address is invalid!"
//        alert("Destination IP address is invalid!")
      return false
      }
    }
    return true
  }

  // Domain is symbolic name
  var domainArray=domain.match(domainPat)
  if (domainArray==null) {
    if (fields != "") { fields = fields+"\n" }
    fields = fields+"  - The domain name doesn't seem to be valid."
//    alert("The 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), and that there's a hostname preceding
     the domain or country. */

  /* 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 (fields != "") { fields = fields+"\n" }
    fields = fields+"  - The address must end in a three-letter domain, or two letter country."
//    alert("The address must end in a three-letter domain, or two letter country.")
    return false
  }

  // Make sure there's a host name preceding the domain.
  if (len<2) {
    if (fields != "") { fields = fields+"\n" }
    fields = fields+"  - This address is missing a hostname!"
//    var errStr="This address is missing a hostname!"
//    alert(errStr)
    return false
  }

  // If we've gotten this far, everything's valid!
  return true;
}
//-->