function findObject(objectId)
{
	if(window.document.getElementById && window.document.getElementById(objectId))
		return window.document.getElementById(objectId);
	else if (window.document.all && window.document.all(objectId))
		return window.document.all(objectId);
	else if (window.document.layers && window.document.layers[objectId]) 
		return window.document.layers[objectId];
	else
		return null;
}


function getFormData(formName)
{
	var _form = null;
	var _responseBody = '';
	var _elm = null;
		
	if (typeof(findObject)=='function')
	{
		_form = findObject(formName);
	}
	else
	{
		alert('Form object ' + formName + ' could not be found');
	}

	if (_form == null)
		return null;
		
	for(i=0;i<_form.elements.length;i++)
	{
		_elm = _form.elements[i];

		switch(_elm.type)
		{
			case 'submit'	: break;
			case 'checkbox' :
			case 'radio' :
			{
				if(_elm.checked == true)
					_responseBody += '&'+ encodeURIComponent(_elm.name)+'='+encodeURIComponent(_elm.value);
				break;
			}
			default :
			{
				_responseBody += '&'+ encodeURIComponent(_elm.name)+'='+encodeURIComponent(_elm.value);
				break;
			}
		}	
	}
	
	return _responseBody;
}

function doSendMail(formulier)
{
	var formdata = getFormData('tdreform');	
	_default.SendMail(formdata,formulier,function(response)
	{
		var elementForm = findObject("mailform");
		if (response.value == null)
			elementForm.innerHTML = "<h3>De aanmelding is verzonden.</h3>";
		else if (response.value == 'false')
			elementForm.innerHTML = "<h3>Er is een fout opgetreden, probeer het a.u.b. later opnieuw.</h3>";
		else
			alert(response.value);
	});
}


function removeStar(id)
{
	var element = findObject(id);
	if (element != null && element.value == '*')
		element.value = '';
}

function addStar(id)
{
	var element = findObject(id);
	if (element != null && element.value == '')
		element.value = '*';
}