<!--
function fieldInputOK(fieldName)
{
	if(fieldName.value == null || fieldName.value == "")
	{
		alert('Vult u alstublieft alle verplichte informatie in!');
		fieldName.focus();
		return false;
	}
	else
	{
		return true;
	}
}

function comboInputOK(fieldName,emptyValue)
{
	if(fieldName.value == emptyValue)
	{	
		alert('Vult u alstublieft alle verplichte informatie in!');
		fieldName.focus();
		return false;
	}
	else
	{
		return true;
	}
}

function emailAddressOK(emailAddress)
{
	var validChars	= "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
	var returnValue = true;
	
	if(emailAddress == null || emailAddress == "")
	{
		returnValue = false;
	}
	else if((emailAddress.indexOf('@') == -1) || (emailAddress.indexOf('.') == -1))
	{
		returnValue = false;
	}
	else
	{
		for(var i=0; i < emailAddress.length; i++)
		{
			var letter = emailAddress.charAt(i).toLowerCase();
			
			if(validChars.indexOf(letter) == -1)
			{
				returnValue = false;
				break;
			}
		}
  }
		
	return returnValue;
}
//-->