/**
 * Variable 'mediaMailformCheckboxErrorMessage' wird in TS-Template +hk-validate-media-mailform deklariert
 **/

;Event.observe(window, 'load', function(e){
	
validateCheckbox = function(submitEvent) {
		
	var atLeastOneCheckboxChecked = false;
	
	$$('#medienbestellformular .checkbox-validate input[type=checkbox]').each(function(checkbox){
		if (checkbox.getValue() != null) {
			atLeastOneCheckboxChecked = true;
			return false;
		}
	});
		
	if (!atLeastOneCheckboxChecked) {
		Event.stop(submitEvent);
		alert(mediaMailformCheckboxErrorMessage);
	}
};

$('medienbestellformular').observe('submit', validateCheckbox);	


});