var openedFormId = null;


function openForm (_formId)
{
	if (openedFormId != null) document.getElementById(openedFormId).style.display = 'none';
	if (_formId != null) document.getElementById(_formId).style.display = 'block';
	
	openedFormId = _formId;
}


function closeForm (_formId)
{
	if (_formId != null) document.getElementById(_formId).style.display = 'none';
	
	openedFormId = null;
}


function checkForm (_form)
{
	for (var i = 0; i < _form.elements.length; i++)
	{
		element = _form.elements[i];
		
		if (element.type == 'submit') continue;
		
		if (element.value == '')
		{
			alert('Minden mezőt ki kell tölteni!');
			element.focus();
			return false;
		}
		
		
		if (element.name == 'password1' && element.value != _form.password2.value)
		{
			alert('A két jelszónak meg kell egyeznie!');
			element.focus();
			return false;
		}
	}
	
	return true;
}