function setupLabel() {
	if ($('.label_radio input').length) {
		$('.label_radio').each(function(){ 
			$(this).removeClass('r_on');
		});
		$('.label_radio input:checked').each(function(){ 
			$(this).parent('label').addClass('r_on');
		});
	};
};
$(document).ready(function(){
	$('.label_radio').click(function(){
		setupLabel();
		//enableButton();
	});
	setupLabel(); 
});

//function enableButton () {
//	$('#submitPollImage_button').attr('src', 'website/site_images/newsletter/send_default.jpg');
//	$('#submitPollImage_button').removeAttr('disabled');
//}