document.observe("dom:loaded", function() {
	
	$$('.action_check_all').each(function(action) {
		action.observe('click', action_check_all);
	});
	
	$$('.action_uncheck_all').each(function(action) {
		action.observe('click', action_uncheck_all);
	});
	
});


function action_check_all(event)
{
	event.stop();
	action = event.element(); 
	action.up('.edu_search_major_group').down('.majors').select('input').each(function(input) {
		input.checked = true;
	});
}

function action_uncheck_all(event) 
{
	event.stop();
	action = event.element();
	action.up('.edu_search_major_group').down('.majors').select('input').each(function(input) {
		input.checked = false;
	});	
}