//=====================================================================
// submit the form
function submitForm(lang,site){
	if(validateForm(lang,site)){
		document.forms[0].submit();
	}
}
//=====================================================================
// validate the form
var alertText = "";
var hardReturn = "\r\n";
function validateForm(lang,site)
{
	alertText = "";
	validateGegevens(lang,site);
	if(alertText != "")
	{
		
		if (lang!='en' ){
			alert ("Velden zijn niet of niet correct ingevuld:"+hardReturn+hardReturn+alertText);
		} else { 
			alert ("Some input is not complete or incorrect:"+hardReturn+hardReturn+alertText);
		}
		return false;
	}
	return true;
}
//=====================================================================
// validate date 
function validateGegevens(lang,site)
{
	if (document.forms[0].elements[numberOfFileUpload(document.forms[0])].value=="")					alertText+= "Foto" + hardReturn;
	if (document.forms[0].stuVoornaam.value=="")
		if(lang=='nl') alertText+= "Voornaam" + hardReturn;
		else 	alertText+= "First name" + hardReturn;
	if (document.forms[0].stuInitialen.value=="")
		if(lang=='nl') alertText+= "Initialen" + hardReturn;
		else 	alertText+= "Initials" + hardReturn;
	if (document.forms[0].stuAchternaam.value=="")
		if(lang=='nl') alertText+= "Achternaam" + hardReturn;
		else 	alertText+= "Last name" + hardReturn;
	if (document.forms[0].stuAdres.value=="")
		if(lang=='nl') alertText+= "Straat" + hardReturn;
		else 	alertText+= "Adres" + hardReturn;
	if (document.forms[0].stuHuisnummer.value=="")
		if(lang=='nl') alertText+= "Huisnummer" + hardReturn;
		else 	alertText+= "House number" + hardReturn;
	if (document.forms[0].stuPostcode.value=="")
		if(lang=='nl') alertText+= "Postcode" + hardReturn;
		else 	alertText+= "House number" + hardReturn;
	if (document.forms[0].stuWoonPlaats.value=="")
		if(lang=='nl') alertText+= "Woonplaats" + hardReturn;
		else 	alertText+= "Place of residence" + hardReturn;
	if (document.forms[0].stuTelefoon.value=="")
		if(lang=='nl') alertText+= "Telefoon" + hardReturn;
		else 	alertText+= "Telephone" + hardReturn;
	if (document.forms[0].stuMobiel.value=="")
		if(lang=='nl') alertText+= "Mobiele xxx telefoon" + hardReturn;
		else 	alertText+= "Mobile phone" + hardReturn;
	if (!isValidEmailAddress(document.forms[0].stuEmail.value))
		if(lang=='nl') alertText+= "E-mail" + hardReturn;
		else 	alertText+= "E-mail" + hardReturn;
	if (document.forms[0].stuNationaliteit.value=="")
		if(lang=='nl') alertText+= "Nationaliteit" + hardReturn;
		else 	alertText+= "Nationality" + hardReturn;
	if ( getSelectedRadio(document.forms[0].stuGeslacht)==-1)
		if(lang=='nl') alertText+= "Geslacht" + hardReturn;
		else 	alertText+= "Sex" + hardReturn;
	if (!isDate(document.forms[0].stuGeboorteDatum.value))
		if(lang=='nl') alertText+= "Geboortedatum"  + dateMsg + hardReturn;
		else 	alertText+= "Date of birth" + dateMsgEn + hardReturn;
	if ( getSelectedCheckbox(document.forms[0].stuVoorwaarden).length ==0)
		if(lang=='nl') alertText+= hardReturn + hardReturn + "Accoord met de voorwaarden" + hardReturn;
		else 	alertText+= "Accept the conditions" + hardReturn;
}
//=====================================================================
// find upload controls
function numberOfFileUpload( f ) {
	for(var i = 0; i < f.elements.length; i ++) {
  		if( f.elements[i].type=='file' ){
   			return i;
  		}
 	}
}
//=====================================================================
// find radio buttons
function getSelectedRadio(buttonGroup) {
	// returns the array number of the selected radio button or -1 if no button is selected
	if (buttonGroup[0]) { // if the button group is an array (one button is not an array)
      for (var i=0; i<buttonGroup.length; i++) {
         if (buttonGroup[i].checked) {
            return i
         }
      }
   } else {
      if (buttonGroup.checked) { return 0; } // if the one button is checked, return zero
   }
   // if we get to this point, no radio button is selected
   return -1;
} // Ends the "getSelectedRadio" function
//=====================================================================
// check date
// Declaring valid date character, minimum year and maximum year
var dtCh= "-";
var minYear=1900;
var maxYear=2100;
var dateMsg="";
function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}
function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}
function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}
function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		dateMsg=" (Gebruik het volgende datumformaat: dd-mm-jjjj)";
		dateMsgEn=" (Use this format: dd-mm-yyyy)";
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		dateMsg="(Voer een geldige maand in)";		
		dateMsgEn="(Use a valid month)";		
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		dateMsg="(Voer een geldige dag in)";		
		dateMsgEn="(Use a valid day)";		
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		dateMsg="(Voer een geldige jaar in tussen " +minYear+" en "+maxYear+ ")";
		dateMsgEn="(Enter a year between " +minYear+" and "+maxYear+ ")";
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		dateMsg=" (Gebruik het volgende datumformaat: dd-mm-jjjj)";
		dateMsgEn=" (Use this format: dd-mm-jjjj)";
		return false
	}
return true
}
function returnFalse(s){
//guess the field if not supplied
s = (s == null) ? document.forms[0].Query : s;
//if you want to do the search, use this line
//doSearch(s);
//if you want to alert the user, use this line
//alert('Please use the \'Go!!\' button to do a search');
//this line should always be here!!
return false;
}
function windowOpener(url, name, args) {
if (typeof(popupWin) != "object"){
popupWin = window.open(url,name,args);
} else {
if (!popupWin.closed){ 
popupWin.location.href = url;
} else {
popupWin = window.open(url, name,args);
}
}
popupWin.focus();
}
function isValidEmailAddress( str ) {
var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid
if (!reg1.test(str) && reg2.test(str)) { // if syntax is valid
return true;
}
return false;
}
function openDbRelativeURL( url, target ){
//Check we have a target window;
alert ('test');
target = (target == null ) ? window : target;
//Work out the path of the database;
path = location.pathname.split('.nsf')[0] + '.nsf/';
target.location.href = path + url;
}
function doSearch ( s ,site) {
var regExp1 = /\bfield\b/;
var regExp2 = /[(,),<,>,\[,\]]/;
var str = s.value; if ( str == "" ){ 
alert("A.u.b. zoektermen invoeren.");
s.focus();
} else { 
if ( typeof regExp1.source != 'undefined' ) //supports regular expression testing 
if ( regExp1.test( str ) || regExp2.test( str ) ){
var alrt = "Fout:"; 
alrt += "\n\nHet woord 'field'\nen de karakters [, ], (, ), < or >";
alrt += "\n\nkunnen niet gebruikt worden!\n\n";
s.focus();
return alert( alrt );
}
//openDbRelativeURL("All?SearchView' + site + '&Query=" + escape( str ) + "&start=1&count=10",'mainwin');
open('searchview' + site + '?searchview&Query=' + escape( str ) + '&SearchFuzzy=True&site=' + site + '&page=zoeken','mainwin');
}
}
function getSelectedCheckbox(buttonGroup) {
   // Go through all the check boxes. return an array of all the ones
   // that are selected (their position numbers). if no boxes were checked,
   // returned array will be empty (length will be zero)
   var retArr = new Array();
   var lastElement = 0;
   if (buttonGroup[0]) { // if the button group is an array (one check box is not an array)
      for (var i=0; i<buttonGroup.length; i++) {
         if (buttonGroup[i].checked) {
            retArr.length = lastElement;
            retArr[lastElement] = i;
            lastElement++;
         }
      }
   } else { // There is only one check box (it's not an array)
      if (buttonGroup.checked) { // if the one check box is checked
         retArr.length = lastElement;
         retArr[lastElement] = 0; // return zero as the only array value
      }
   }
   return retArr;
} // Ends the "getSelectedCheckbox" function
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}