function display(oText)
{
  if (oText.createTextRange){
       var range = document.selection.createRange();
       var str = range.text;
       return str;
    }
  else if (oText.getSelection){
    var str = document.getSelection();
      if (window.RegExp) {
        var regstr = unescape("%20%20%20%20%20");
        var regexp = new RegExp(regstr, "g");
        str = str.replace(regexp, "");
      }
    return str;}
  else
      str = "";
    return str;
}

function storeCaret(oText)
{
  if (oText.createTextRange){
      oText.caretPos = document.selection.createRange().duplicate();
    }
  else if (oText.getSelection){
      oText.caretPos = document.getSelection();
    }
  else
      return;
}

function insertField(oText, oSel)
{
  text=oSel.value;
  if (oText.createTextRange && oText.caretPos){
      var caretPos = oText.caretPos;
    caretPos.text = caretPos.text.charAt(caretPos.text.length - 1)
== ' ' ? text + ' ' : text;
    }
   else if (oText.getSelection && oText.caretPos){
      var caretPos = oText.caretPos;
    caretPos.text = caretPos.text.charat(caretPos.text.length - 1)
== ' ' ? text + ' ' : text;
    }
  else {
      oText.value=text;
      }

    oSel.selectedIndex = 0;
    oText.focus();
}

function insertMailSexText(oText, inputDlgFile)
{
    arrParams =new Array();
    arrParams[0] = "kk";
    arrParams[1] = "kvk";

    arrRet = window.showModalDialog(inputDlgFile,arrParams,"dialogWidth:260px;dialogHeight:220px; resizable: no; scroll: no;");

    if (!arrRet)
      return -1;

      if (arrRet[0] == "")
          return -1;

      text="&[kyn:" + arrRet[0] + ","+ arrRet[1] +"]";
      if (oText.createTextRange && oText.caretPos){
        var caretPos = oText.caretPos;
        caretPos.text = caretPos.text.charAt(caretPos.text.length - 1)
    == ' ' ? text + ' ' : text;
        return 0;
        }
       else if (oText.getSelection && oText.caretPos){
        var caretPos = oText.caretPos;
        caretPos.text = caretPos.text.charat(caretPos.text.length - 1)
    == ' ' ? text + ' ' : text;
        return 0;
        }
      else {
        oText.value=text;
        return 0;
        }
}

function setText(oCombo, aArray, oTextField1, oTextField2)
{
  var oSel;
  oSel = document.userAdd.zipID;
  /*if (oSel.selectedIndex != 0)
  {*/
    oTextField1.value = aArray[oSel.selectedIndex];
    oTextField2.value = aArray[oSel.selectedIndex];
  /*}
  else
  {
    oTextField.value = "";
  }*/
}
function changeState(theBox)
{
  alert(theBox.name);
}

function ShowHideElement(id,bHide)
{
  if ( ! bHide)
  {
    if (document.all)
      document.all[''+id+''].style.visibility = "visible"
    else if (document.getElementById)
      document.getElementById(''+id+'').style.visibility = "visible"
  }
  else
  {
      if (document.all)
      document.all[''+id+''].style.visibility = "hidden"
      else if (document.getElementById)
      document.getElementById(''+id+'').style.visibility = "hidden"
  }
}

function ShowLayerFromSel(oSelect, oID, valueHide, valueShow)
{
    sel = oSelect.selectedIndex;

    if(oSelect[sel].value ==  valueHide)
    {
        if (document.all)
        document.all[''+oID+''].style.visibility = "hidden"
        else if (document.getElementById)
        document.getElementById(''+oID+'').style.visibility = "hidden"
    }
    else
    {
      if (document.all)
        document.all[''+oID+''].style.visibility = "visible"
      else if (document.getElementById)
        document.getElementById(''+oID+'').style.visibility = "visible"
    }
}

function ShowLayerFromSelEx(oSelect, oID, valueHide, valueShow, valueShow2)
{
    sel = oSelect.selectedIndex;

    if(oSelect[sel].value ==  valueHide)
    {
    if (document.all)
            document.all[''+oID+''].style.visibility = "hidden"
    else if (document.getElementById)
            document.getElementById(''+oID+'').style.visibility = "hidden"
    }
    else
    {
      if (document.all)
        document.all[''+oID+''].style.visibility = "visible"
      else if (document.getElementById)
        document.getElementById(''+oID+'').style.visibility = "visible"
    }
}

function ShowLayerFromSelEx(oSelect, oID, valueHide, valueShow, valueShow2, valueHide2)
{
    sel = oSelect.selectedIndex;

    if(oSelect[sel].value == valueHide || oSelect[sel].value == valueHide2)
    {
    if (document.all)
            document.all[''+oID+''].style.visibility = "hidden"
    else if (document.getElementById)
            document.getElementById(''+oID+'').style.visibility = "hidden"
    }
    else
    {
      if (document.all)
        document.all[''+oID+''].style.visibility = "visible"
      else if (document.getElementById)
        document.getElementById(''+oID+'').style.visibility = "visible"
    }
}

function FlipVisible(id,checkBox) { //

// Layer visible
if (checkBox.checked) { //
    // only for IE and NS 6
 // if (document.layers) document.layers[''+id+''].visibility = "show"
  if (document.all) document.all[''+id+''].style.visibility = "visible"
  else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "visible"
  }
// Layer hidden
else { //
    // only for IE and NS 6
  //if (document.layers) document.layers[''+id+''].visibility = "hide"
  if (document.all) document.all[''+id+''].style.visibility = "hidden"
  else if (document.getElementById)
      document.getElementById(''+id+'').style.visibility = "hidden";
  }
}

function FileEdit(HideId,ShowId)
{
    HideId.style.display = "none";

    document.all[''+ShowId+''].style.display = "block";
    document.all[''+ShowId+''].focus();
    document.all[''+ShowId+''].select();
}


// ####################### VALIDATION FUNCTIONS ###########################

function isAllEmpty(aBox,customString)
{
    empty = 0;

    for (i=0 ; i < aBox.length ; i++)
    {
        value = aBox[i].value;
        if ( value == "" || trimBlanks( value ) == "")
            empty++;
    }

    return ( empty == aBox.length ) ? isEmpty(aBox[0],customString) : false;

}

function isAnyEmpty(aBox,customString)
{

    for (i=0 ; i < aBox.length ; i++)
    {
        if ( isEmpty(aBox[i],customString) )
            return true;
    }
    return false;
}

function isSelected(box,errorString)
{
    if (box.selectedIndex == 0)
    {
          alert(errorString);
        return(false);
    }

    return (true);

}

function alertBox(box, errorMsg)
{
    alert(errorMsg);
    box.focus();
    box.select();
}

function IsStringOK(box, compareString,customString)
{
    if (customString)
    {
        if (isEmpty(box,customString))
            return false;
    }
    else
    {
        if (isEmpty(box,"Svæðið er tómt.\nVinsamlega settu inn gild tákn."))
            return false;
    }


    var allValid = true;
    var checkStr = box.value;


    for (i = 0;  i < checkStr.length;  i++)
    {
      ch = checkStr.charAt(i);

      for (j = 0;  j < compareString.length;  j++)
        if (ch == compareString.charAt(j))
          break;

      if (j == compareString.length)
      {
        //alert("validation failed");
        if (customString)
            alertBox(box,customString);
        else
            alertBox(box, "Vinsamlega settu aðeins gild tákn í svæðið.\nEf um tölusvæði er að ræða á bara að setja tölur.");
        allValid = false;
        break;
      }

    }
    return allValid;
 }


function isNumeric(box,customString)
{
    return IsStringOK(box, "0123456789",customString);
}

function isSsnFormatted(box,customString)
{
    return IsStringOK(box, "0123456789-",customString);
}

function isFloat(box,customString)
{
    return IsStringOK(box, "0123456789,.",customString);
}

function isAlphaNumeric(box,customString)
{
return IsStringOK(box,"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",customString);
}

function isAlphabetic(box,customString)
{
return IsStringOK(box,":;.,ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzƒŠŒŽšœžŸÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþ0123456789- \t\r\n\f",customString);
}


function isTooLong(box, length,customString)
{
    if (box.value.length > length)
    {
        if (customString)
            alertBox(box,customString);
        else
            alert("Vinsamlega settu ekki fleiri en "+length+" stafi í svæðið.");
        box.focus();
        box.select();
        return false;
    }
    return true;
}

function isTooShort(box, length,customString)
{
    if (box.value.length < length)
    {
        if (customString)
            alertBox(box,customString);
        else
            alertBox(box,"Vinsamlegast settu ekki færri en "+length+" stafi í svæðið.");
        box.focus();
        box.select();
        return true;
    }
    return false;
}

function checkSSN(box,customString)
{
    if ( isTooShort(box, 10,customString) )
        return false;

    if ( !isSsnFormatted(box,"Rangt form kennitölu") )
        return false;

    theValue = box.value;
    var1 = theValue.substring(0, 1);
    var2 = theValue.substring(1, 2);
    var3 = theValue.substring(2, 3);
    var4 = theValue.substring(3, 4);
    var5 = theValue.substring(4, 5);
    var6 = theValue.substring(5, 6);

    if ( theValue.length == 10 )
    {
        var7 = theValue.substring(6, 7);
        var8 = theValue.substring(7, 8);
        var9 = theValue.substring(8, 9);
        var10 = theValue.substring(9, 10);
    }
    else
    {
        var7 = theValue.substring(7, 8);
        var8 = theValue.substring(8, 9);
        var9 = theValue.substring(9, 10);
        var10 = theValue.substring(10, 11);
    }

    var ending = parseInt(var10);
    if ( ending && (0 < ending) && (ending < 9))
    {
        alertBox (box, "Kennitalan er ekki lögleg, hún verður að enda á 0 eða 9." );
        return false;
    }

     var allTheSame = (var1 == var2) && (var2 == var3) && (var3 == var4) && (var4 == var5)
        && (var5 == var6) && (var6 == var7) && (var7 == var8) && (var8 == var9 );
    var checksum = (3*var1) + (2*var2) + (7*var3) + (6*var4) + (5*var5) + (4*var6) + (3*var7) + (2*var8) + (1*var9);
    if (checksum % 11 > 0 || allTheSame )
    {
        alertBox (box, "Kennitalan er ekki lögleg");
        return false;
    }
    return true;
}

function trimBlanks(theString, repChar)
{
    //this function replaces the spaces in a string with the provided character
    trimString="";

    for ( i = 0; i < theString.length; i++)
    {
        theChar=theString.substring ( i, i+1);
        if ( theChar == " ")
        {
            trimString += repChar
        }
        else
        {
            trimString+=theString.substring ( i, i+1);
        }
    }
    return (trimString);
}

function isAllCheckBoxEmpty(checkbox, errorString)
{
    if(checkbox.length > 1)
    {
        for (i=0; i<checkbox.length; i++)
        {
           if(checkbox[i].checked)
           {
                return false;
           }
        }
    }
    else
    {
        if(checkbox.checked)
        {
            return false;
        }
    }
    alert(errorString);
    return true;
}

function isEmpty(box, errorString)
{
    //Hreinsa öll space úr strengi
    trimField = trimBlanks( box.value );

    //Ef strengur er tómur eða trimaður strengur er bara space þá skila true
    if (box.value == "" || trimField == "")
    {
        alertBox(box,errorString);
        return true;
    }

    return false;
}

function emailCheck (box)
{
    var emailStr=box.value;
    var emailPat=/^(.+)@(.+)$/;
    var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
    var validChars="\[^\\s" + specialChars + "\]";
    var firstChars=validChars;
    var quotedUser="(\"[^\"]*\")";
    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
    var atom="(" + firstChars + validChars + "*" + ")";
    var word="(" + atom + "|" + quotedUser + ")";
    var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

    var matchArray=emailStr.match(emailPat);
    if (matchArray==null)
    {
        //Of mikið af @ eða öðru, ekki lögleg addressa.
        alertBox(box,"Netfangið er ólöglegt, athugaðu @ merkja- og punkta- fjölda.");
        return false;
    }

    var user=matchArray[1];
    var domain=matchArray[2];

    // Tékka hvort user sé löglegur
    if (user.match(userPat)==null)
    {
        // Notandi ekki löglegur
        alertBox(box,"Ólöglegt nafn í netfangi.");
        return false
    }

    // Tékka hvort ip-adressa sé notuð í maili, ef svo er tékka hvort ip-talan sé lögleg
    var IPArray=domain.match(ipDomainPat)
    if (IPArray!=null)
    {
        // ip-address
        for (var i=1;i<=4;i++)
        {
            if (IPArray[i]>255)
            {
                alertBox(box,"IP-talan er ólögleg.")
                return false
            }
        }
        return true
    }

    var domainArray=domain.match(domainPat)
    if (domainArray==null)
    {
        alertBox(box,"Nafnið á léninu í netfanginu virðist ekki vera rétt.")
        return false
    }

    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)
    {
        alertBox(box,"Netfangið verður að enda á þriggja-stafa léni eða tveggja-stafa landskóda.")
        return false
    }

    if (domArr[domArr.length-1].length==3 && len<2)
    {
        var errStr="Netfangið skortir lénsnafn."
        alertBox(box,errStr)
        return false
    }

    return true;
}

function emailCheckEng (box)
{
    var emailStr=box.value;
    var emailPat=/^(.+)@(.+)$/;
    var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
    var validChars="\[^\\s" + specialChars + "\]";
    var firstChars=validChars;
    var quotedUser="(\"[^\"]*\")";
    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
    var atom="(" + firstChars + validChars + "*" + ")";
    var word="(" + atom + "|" + quotedUser + ")";
    var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

    var matchArray=emailStr.match(emailPat);
    if (matchArray==null)
    {
        //Of mikið af @ eða öðru, ekki lögleg addressa.
        alertBox(box,"The e-mail address is illegal, please check the number of @ and . characters.");
        return false;
    }

    var user=matchArray[1];
    var domain=matchArray[2];

    // Tékka hvort user sé löglegur
    if (user.match(userPat)==null)
    {
        // Notandi ekki löglegur
        alertBox(box,"Illegal name in e-mail address.");
        return false
    }

    // Tékka hvort ip-adressa sé notuð í maili, ef svo er tékka hvort ip-talan sé lögleg
    var IPArray=domain.match(ipDomainPat)
    if (IPArray!=null)
    {
        // ip-address
        for (var i=1;i<=4;i++)
        {
            if (IPArray[i]>255)
            {
                alertBox(box,"IP address is illegal.")
                return false
            }
        }
        return true
    }

    var domainArray=domain.match(domainPat)
    if (domainArray==null)
    {
        alertBox(box,"The domain name in the e-mail address seems to be incorrect.")
        return false
    }

    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)
    {
        alertBox(box,"The e-mail address must end with a three letter domain or a two letter country code.")
        return false
    }

    if (domArr[domArr.length-1].length==3 && len<2)
    {
        var errStr="The e-mail address is missing a domain name."
        alertBox(box,errStr)
        return false
    }

    return true;
}

/*
<!-- Original:  Sandeep V. Tamhankar (stamhankar@hotmail.com) -->
<!-- Minor changes: Finnur Geir -->
Tek frekar inn input objectið sjálft (til að setja focus) og custom skilaboð

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->
*/
function isValidDate(theBox,msg)
{
    // Checks for the following valid date formats:
    // MM/DD/YY   MM/DD/YYYY   MM-DD-YY   MM-DD-YYYY
    // Also separates date into month, day, and year variables
    //var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{2}|\d{4})$/;
    // nýtt pattern frá finni
    var datePat = /^(\d{1,2})(.)(\d{1,2})\2(\d{2,4})$/;
    // To require a 4 digit year entry, use this line instead:
    // var datePat = /^(\d{1,2})(\/|-|.)(\d{1,2})\2(\d{4})$/;
    var dateStr = theBox.value;

    var matchArray = dateStr.match(datePat); // is the format ok?
    if (matchArray == null) {
        if (msg)
            alertBox(theBox,msg);
        else
            alertBox(theBox,"Dagsetning er ekki rétt formuð.");
    return false;
    }
    //month = matchArray[1]; // parse date into variables
    month = matchArray[3];


    if (month.charAt(0) == "0" )
        month = month.substr(1);

    //day = matchArray[3];
    day =  matchArray[1];
    year = matchArray[4];
    //alert(matchArray);
    if (month < 1 || month > 12) { // check month range
        if (msg)
            alertBox(theBox,msg);
        else
            alertBox(theBox,"Mánuðir verða að vera milli 1 og 12.");
    return false;
    }
    if (day < 1 || day > 31) {
        if (msg)
            alertBox(theBox,msg);
        else
            alertBox(theBox,"Dagar verða að vera milli 1 og 31.");
    return false;
    }
    if ((month==4 || month==6 || month==9 || month==11) && day==31) {
    var sMonth;
    switch(month)
    {
        case "4":
            sMonth = "Apríl";
        break;
        case "6":
            sMonth = "Júní";
        break;
        case "9":
            sMonth = "September";
        break;
        case "11":
            sMonth = "Nóvember";
        break;
    }
    if (msg)
        alertBox(theBox,msg);
    else
        alertBox(theBox,sMonth +" hefur ekki 31 dag.");
    return false
    }
    if (month == 2) { // check for february 29th
    var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
    if (day>29 || (day==29 && !isleap)) {
        if (msg)
            alertBox(theBox,msg);
        else
            alertBox(theBox,"Febrúar hefur ekki " + day + " daga árið " + year);
    return false;
       }
    }
    return true;  // date is valid
}