function checkContact(f)
{
	if (f.mode && f.mode.value == 1) { //bij aanklikken terugknop geen controle.
		return true;
	}

	var mesg_verplicht = '';
	var mesg_onjuist   = '';
	var velden 	    	 = new Array();
	var melding        = '';
	
	if (!checkEmpty(f.bedrijf))	{
		mesg_verplicht += " - Denominazione/Ragione sociale\n"; 
		velden[0] = "bedrijf";
	}
	
	if (!checkEmpty(f.email))	{
		mesg_verplicht += " - E-mail\n";
		velden[7] = "email";
	}
	
	if (!checkEmpty(f.achternaam))	{
		mesg_verplicht += " - Nome\n";
		velden[0] = "achternaam";
	}

	if (f.land.value<=0)	{
		mesg_verplicht += " - Paese\n";
		velden[6] = "land";
	}

	if( !isEmailAddr(f.email.value) || !checkEmpty(f.email) ) {
		mesg_onjuist += " - E-mail\n";
		velden[7] = "email";
	}

	if (!checkEmpty(f.telefoon))	{
		mesg_verplicht += " - N. di telefono\n";
		velden[8] = "telefoon";
	}
	
	if (mesg_verplicht != '' || mesg_onjuist != '') {
	
		if (mesg_verplicht != '') {
			melding += "I seguenti campi sono obbligatori\n"; 
			melding += "------------------------------------------\n\n";
			melding += mesg_verplicht;
			
			for (i=0;i<9;i++) {
				veld = velden[i];
				elmt = document.forms[0].elements[veld];

				//Element met veldindex bestaat - Focus en break uit for loop.
				if (elmt) {
					elmt.focus();
					break;
				}
			}
		}
		
		if ( mesg_onjuist != '' && mesg_verplicht == '') {
			melding += "\nI seguenti campi non sono corretti:\n"; 
			melding += "------------------------------------------\n\n";
			melding += mesg_onjuist;
			
			if (mesg_verplicht == '') {
			
				for (i=0;i<9;i++) {
				
					veld = velden[i];
					elmt = document.forms[0].elements[veld];
					
					//Element met veldindex bestaat - Focus en break uit for loop.
					if (elmt) {
						elmt.focus();
						break;
					}
				}
			}
		}
		alert(melding)
		return false;
	} else
	f.submit();
	return true;
}

function isEmailAddr(email)
{ 
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0) {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function checkEmpty(x)
{
	if (typeof(x) == 'undefined')
		return false;
	if (x.value == "")
	{
		return false
	} else {
		return true
	}
}
	
function controleer_gegevens(f) {
	
	if (f.mode && f.mode.value == 1) { //bij aanklikken terugknop geen controle.
		return true;
	}
	
	var mesg_verplicht = '';
	var mesg_onjuist   = '';
	var velden 	    	 = new Array();
	var melding        = '';
	
	if (!checkEmpty(f.naam))	{
		mesg_verplicht += " - Nome\n"; 
		velden[0] = "naam";
	}
	
	if (!checkEmpty(f.straat))	{
		mesg_verplicht += " - Via\n";
		velden[2] = "straat";
	}
	
	if (!checkEmpty(f.huisnr))	{
		mesg_verplicht += " - Numero civico\n"; 
		velden[3] = "huisnr";
	}
	
	if (!checkEmpty(f.postcode))	{
		mesg_verplicht += " - CAP\n";
		velden[4] = "postcode";
	}
	
	if (!checkEmpty(f.woonplaats))	{
		mesg_verplicht += " - Cittą\n"; 
		velden[5] = "woonplaats";
	}
	
	if (f.land.value<=0)	{
		mesg_verplicht += " - Paese\n"; 
		velden[6] = "land";
	}
	
	if (!checkEmpty(f.email))	{
		mesg_verplicht += " - E-mail\n";
		velden[7] = "email";
	}
	
	if( !isEmailAddr(f.email.value) ) {
		mesg_onjuist += " - E-mail\n"; 
		velden[7] = "email";
	}
	
	if (!checkEmpty(f.telefoon))	{
		mesg_verplicht += " - N. di telefono\n"; 
		velden[8] = "telefoon";
	}
	
	if (mesg_verplicht != '' || mesg_onjuist != '') {
	
		if (mesg_verplicht != '') {
			melding += "I seguenti campi sono obbligatori\n"; 
			melding += "------------------------------------------\n\n";
			melding += mesg_verplicht;
			
			for (i=0;i<9;i++) {
				veld = velden[i];
				elmt = document.forms[0].elements[veld];

				//Element met veldindex bestaat - Focus en break uit for loop.
				if (elmt) {
					elmt.focus();
					break;
				}
			}
		}
		
		if ( mesg_onjuist != '' && mesg_verplicht == '') {
			melding += "\nI seguenti campi non sono corretti:\n"; 
			melding += "------------------------------------------\n\n";
			melding += mesg_onjuist;
			
			if (mesg_verplicht == '') {
			
				for (i=0;i<9;i++) {
				
					veld = velden[i];
					elmt = document.forms[0].elements[veld];
					
					//Element met veldindex bestaat - Focus en break uit for loop.
					if (elmt) {
						elmt.focus();
						break;
					}
				}
			}
			
		}
		alert(melding)
		return false;
	} else
	f.submit();
	return true;
}

function maxchar_textarea(f) {
	var maxChar = 250
	
	if (f.value.length > maxChar) {
		diff=f.value.length - maxChar;
		f.focus();
		return (false);
	}
}

var isNN = (navigator.appName.indexOf("Netscape")!=-1);

function autoTab(oInput)
{
	iNextIndex = getIndex(oInput)+1;
	
  oDestination = oInput.form[iNextIndex];
  iMaxLength = oInput.getAttribute('maxlength');
  if (oInput.getAttribute && oInput.value.length == iMaxLength)
    oDestination.focus()
}

function getIndex(oInput)
{
  var iIndex = -1, i = 0, bFound = false;
  while (i < oInput.form.length && iIndex == -1)
  {
    if (oInput.form[i] == oInput)
      iIndex = i;
    else 
      i++;
  }
  return iIndex;
}

// Dummy when undefined RF, 05-11-2007
if (typeof(tellMeIfInvalidDate) == 'undefined')
{
	function tellMeIfInvalidDate()
	{
		
	}
}