function setupGoogleSearch() {
	$('input.gsc-search-button').click(doGoogleSearch);
    $('input.gsc-input').keypress(function(e) { if (e.which==13) doGoogleSearch(); });
    $('.gsc-clear-button').click(undoGoogleSearch);	
}

function doGoogleSearch() {
   if ($('input.gsc-input').val() == '')
	   return false;
   
   $('#middle .google-cse').slideDown();
   $('#middle .main-content').slideUp();   
   return true;
}
   
function undoGoogleSearch() {
   $('#middle .google-cse').slideUp();
   $('#middle .main-content').slideDown();                
   return true;
}

function flipCheckboxes(groupName) {
	$('.' + groupName).attr('checked', !$('.' + groupName).attr('checked'));
}

function setupRefCheckboxes(groupName) {
    var checked = true;

    $('.' + groupName).each(function() {
		checked = checked && $(this).attr('checked');
	});

	$('#' + groupName).attr('checked', checked);
}