var formatNumber = /^\d+$/;							// A number contains only digits
var formatHouseNumber = /^\d+$/;					// HouseNumber format starts with a digit
var formatPostalCode = /^(\d{4})\s*([a-z]{2})$/i;	// PostalCode format is 4 digits, possibly some blanks, and 2 letters
var formatEmail = /^[^@\s]+\@[^@\s]+\.[^@\s]+/;		// E-mail is x@x.x
var formatPhone = /^\d{2,4}[ -]{0,1}\d{6,8}$/;		// A phonenumber is formated nn-nnnnnnnn or nnn-nnnnnnn or nnnn-nnnnnn
var formatPhone = /^\d{10}$/;		// A phonenumber is formated nn-nnnnnnnn or nnn-nnnnnnn or nnnn-nnnnnn
var formatDate = /^([0-3]{1}[0-9]{1})(\/|-)([0-1]{1}\d{1})(\/|-)([1]{1}[9]{1}\d{2})$/;	// A date is formated dd/mm/jjjj (or dd-mm-jjjj) with only digits

function trim(strText) { 
    // this will get rid of leading spaces 
    if (strText==undefined){
		return '';
	}
    if (strText!=''){
	    while (strText.substring(0,1) == ' ') {
     	   strText = strText.substring(1, strText.length)
     	}
     }

    if (strText!=''){
	    // this will get rid of trailing spaces 
	    while (strText.substring(strText.length-1,strText.length) == ' '){
        	strText = strText.substring(0, strText.length-1)
        }
    }

   return strText;
} 

function isValidPostalCode(Field, errorMessage, bCurrentStatus) {
	var value = new String(Field.value);
	value = trim(value);	
	if ((value.search(/^\d{4}[\s]?[a-zA-Z]{2}$/)) == -1) {
//		alert(errorMessage);
		Field.style.backgroundColor ='tomato'; //'red'
		return false;
	} else {
		Field.style.backgroundColor='';
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
}

function isValidCity(Field, errorMessage, bCurrentStatus) { //check not begins with digit
	var value = new String(Field.value);
	value = trim(value);	
//	if ((value.search(/^[a-zA-Z]/)) == -1) { FOUT: dan ook geen apostrophe e.d. zoals in 's hertogenbosch....
	if ((value.search(/^[0-9]/)) != -1) {
//		alert(errorMessage);
		Field.style.backgroundColor ='tomato'; //'red'
		return false;
	} else {
		Field.style.backgroundColor='';
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
}

function textboxFilled(Field, errorMessage, bCurrentStatus) {
	var value = Field.value;
	value = trim(value);
	if (value == '' ) {
//		alert(errorMessage);
		Field.style.backgroundColor ='tomato'; //'red'
		return false;
	} else {
		Field.style.backgroundColor='';
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
}

function checkMaxLength(Field,errorMessage, bCurrentStatus) {
	var value = Field.value;
	value = trim(value);
	if (value.length >10 ) {
//		alert(errorMessage);
		Field.style.backgroundColor ='tomato'; //'red'
		return false;
	} else {
		Field.style.backgroundColor='';
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
	
}

function checkboxChecked(Field,errorMessage,bCurrentStatus){

	var value = eval(Field); 
	if (valeu.checked == false){
		Field.style.backgroundColor ='tomato'; //'red'
		return false;
	} else { 
		Field.style.backgroundColor='';
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}	
	}
}


function isValidPhone(Field, errorMessage, bCurrentStatus) {
	var value = Field.value;
	var format = formatPhone;
	if (value !== '') {
		value = value.replace('-','');		
		value = trim(value);
		if (! formatNumber.test(value)) {
				Field.style.backgroundColor='tomato'; //'red'
				Field.focus();
				return false;
		}
		if (! format.test(value)) {
				Field.style.backgroundColor='';
				Field.focus();
				return false;
		}
		return true;
	}
	return true;
}

function hiddenFilled(Field, errorMessage, bCurrentStatus) {
	var value = Field.value;
	if (value == '') {
//		alert(errorMessage);
		Field.style.backgroundColor='tomato'; //'red'
		return false;
	} else {
		Field.style.backgroundColor='';
		return true;
	}
}

function radioChecked(radioGroup, errorMessage, bCurrentStatus) {
	var i;
	for (i = 0; i < radioGroup.length; i++) {
		if (radioGroup[i].checked) {
			radioGroup.style.backgroundColor='';
			radioGroup[i].focus;
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
		}
	}
	radioGroup.style.backgroundColor='tomato'; //'red'
	return false;
}

function checkboxChecked(checkboxGroup, errorMessage, bCurrentStatus) {
	if(checkboxGroup.checked) {
		checkboxGroup.style.backgroundColor='';	
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
	return radioChecked(checkboxGroup, errorMessage, bCurrentStatus);
}

function isNumber(numberField, errorMessage, bCurrentStatus) {
	var value = numberField.value;
	if (! formatNumber.test(value)) {
		numberField.style.backgroundColor='tomato'; //'red'
		return false;
	} else {
		numberField.style.backgroundColor='';
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
}

function isLength(numberField, length, errorMessage, bCurrentStatus) {
	var value = numberField.value;
	if (value.length != length) {
//		alert(errorMessage);
		numberField.style.backgroundColor='tomato'; //'red'
		return false;
	} else {
		numberField.style.backgroundColor='';
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
}

function selectboxFilled(Field, errorMessage, bCurrentStatus) {
	var value = Field.selectedIndex;
	if (value =='') {
		Field.style.backgroundColor='tomato'; //'red'
		return false;
	} else {
		Field.style.backgroundColor='';
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
}

function selectboxFilledNoMessage(Field, bCurrentStatus) {
	var value = Field.selectedIndex;
	if (value =='') {
		return false;
	}else {
		Field.style.backgroundColor='';
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
}

function isValid(Field, format, errorMessage, bCurrentStatus) {
	var value = Field.value;
	if (! format.test(value)) {
		Field.style.backgroundColor='tomato'; //'red'
		return false;
	} else {
		Field.style.backgroundColor=''
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
}

function isValidOrEmpty(Field, format, errorMessage, bCurrentStatus) {
	var value = Field.value;
	if (value == '') {
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
	if (!format.test(value)) {
		Field.style.backgroundColor='tomato'; //'red'
		Field.focus();
		return false;
	} else {
		Field.style.backgroundColor='';
		if (bCurrentStatus==true){
			return true;	
		} else {
			return false;
		}
	}
}

//---------------------------------------------------------------------------------------
function openStdDialog(pSource, pName, pWidth, pHeight, pOptions){
var callerWindow=self;
var windowOptions='';

windowX=40;
windowY=40;

var beIE = document.all?true:false
if (beIE){
  if (screen.width<=pWidth){
    var windowX =0;
    } 
    else
    {
    var windowX = (screen.width/2)-(pWidth/2);
  }

  var windowY = (screen.availHeight/2)-(pHeight/2);
}

//If windowOptions have not been provided use default

if(pOptions=='' || pOptions==null)

  {windowOptions= 'directories=no, status=no, resizable=yes,toolbar=no,scrollbars=no,menu=no,'+ 
                  'alwaysRaised=yes, menubar=no, location=no,'+ 
                  'width=' + pWidth.toString() + ','+ 
                  'height='  +pHeight.toString()+ ','+ 
                  'top='+windowY+',left=' +windowX;
  }
else
  {windowOptions= pOptions + ',width=' + pWidth.toString() + 
                  ',height=' + pHeight.toString() + 
                  'top='+windowY+',left='+windowX;
  }

var newWin = window.open(pSource,pName);
//, windowOptions);
	newWin.focus();     
}


//-- Elf Proef bankrekeningen
// Geeft true terug als nummer juist is
function elf_proef(bankrekeningnummer) {
			 
		 if (bankrekeningnummer.length!=9) {
		 	return false
		 }
		 // verwijder alle tekens die geen cijfers zijn
		 bankrekeningnummer=bankrekeningnummer.replace(/\D/g, "");
		 bankrekeningnummer=bankrekeningnummer.replace(/\s+/g, "");

		 aantal_tekens=bankrekeningnummer.length;
		 var som=0;
		 // loop door de 9 cijfers met de 11 proef formule
		 for (i=1; i<10; i++) {
		 		 getal=bankrekeningnummer.charAt(i-1);
		 		 som+=getal*(10-i);
		 } 
		 // geef resultaat van check terug
		 if (som % 11==0 && aantal_tekens==9) {
		 		 return true
		 } else {
		 		 return false
		 }
}
//-- EINDE Elf Proef bankrekeningen

//--Negen Proef bankrekeningen
// Geeft true terug als nummer juist is
function negen_proef(bankrekeningnummer) {
		 // verwijder alle tekens die geen cijfers zijn
		 bankrekeningnummer=bankrekeningnummer.replace(/\D/g, "");
		 bankrekeningnummer=bankrekeningnummer.replace(/\s+/g, "");
	
		 aantal_tekens=bankrekeningnummer.length;
		 var som=0;
		 // loop door de 9 cijfers met de negen proef formule
		 for (i=1; i<9; i++) {
		 		 getal=bankrekeningnummer.charAt(i-1);
		 		 som+=getal*(8-i);
		 } 
		 // geef resultaat van check terug
		 result = som % 9
		 result = 9 - result 
		 valid = result = bankrekeningnummer.charAt(9);
	
		 if (valid && aantal_tekens==9) {
		 		 return true
		 } else {
		 		 return false
		 }
}
//-- EINDE Negen Proef bankrekeningen