/**
 * Display an alert if European coverage is selected for the "Guest family for an Au Pair" package
 *
 */
function displayAupairCoverageAlert(coverage)
{
	if (coverage == 'E')
	{
		alert("Je selecteert Europeesche dekking voor uw Au Pair.\n\nDit is alleen mogelijk indien de Au Pair uit Europa afkomstig is. Is dit niet geval, selecteer dan werelddekking.");
	}
} // function displayAupairCoverageAlert


/**
 * Show ajax loader
 *
 */
function showAjaxLoader()
{
	/* the elements */
	var image = $('ajaxloader');
	var button = $('calculator-submit');
	
	/* check for image */
	if (image)
	{
		/* show image */
		image.style.display = 'block';
	}
	
	/* check for button */
	if (button)
	{
		/* change button text */
		button.value = 'Premie wordt berekend';
	}
} // function showAjaxLoader

/**
 * Hide ajax loader
 *
 */
function hideAjaxLoader()
{
	/* the elements */
	var image = $('ajaxloader');
	var button = $('calculator-submit');
	
	/* check for image */
	if (image)
	{
		/* show image */
		image.style.display = 'none';
	}
	
	/* check for button */
	if (button)
	{
		/* change button text */
		button.value = 'Bereken premie';
	}
} // function hideAjaxLoader

/**
 * Show the calculator form
 */
function showCalculatorForm()
{
	/* retrieve elements */
	var form = $('calculator-form');
	var result = $('calculator-result');
	
	/* check for elements */
	if (form && result)
	{
		/* show calculator form */
		form.className = 'visible';
		
		/* hide result */
		result.className = 'invisible';
	}
} // function showCalculatorForm