window.addEvent('domready', function() {
 
	$$('.radioClass').each(function(el2){el2.setStyle('opacity','0'); });
	var monimage = $$('.boutonRadio');
	monimage.each(function(el) {	
		el.addEvent('click',function(){
			monimage.removeClass('coche');
			el.addClass('coche');
			var moninput = el.getFirst();
			$$('.radioClass').each(function(el2){el2.removeAttribute("checked","checked"); });
			moninput.setAttribute("checked","checked");
		});

	});

});