window.addEvent('domready', function(){	
	

	
	var form = $('formSend');
	
	$('btn-submit').removeProperty('disabled');

	
	
	var check = 0;

	document.getElements('input[type=checkbox]').each(function(input){
				
		input.addEvent('click', function(e){
			if(input.checked) check++;
			else check--;
			
			if(check == 3){
				document.getElements('input[type=checkbox]').each(function(input){
					if(!input.checked) input.set("disabled", true);
				});
			}else{
				document.getElements('input[type=checkbox]').each(function(input){
					if(!input.checked) input.set("disabled", false);
				});
			}
			
		});
		
	});
	
	
	
	
	
	form.addEvent('submit', function(e) {
		new Event(e).stop();
		
		var errors = 0;
		
		$$('.error').dispose();
		
		
		
		//form.getElements('input[type=checkbox]').each(function(input){
			form.getElements('input[type=radio]').each(function(input){
				if(input.checked) errors++;
				
		});
		
		
		if(errors > 0) form.submit();
		else{
			
			var error= new Element('p', {
												'class' : 'error small paddingB10',
												'html' : 'Veuillez sélectionner une date'
												});
												
				
			error.inject(form.getParent(), 'top');
		}
	});
	
	
	

	
	
});