$().ready(function() {
				
				// validate signup form on keyup and submit
				$("#contactForm").validate({
					rules: {
						name: {
							required: true,
							minLength: 3
						},
						surname: {
							required: true,
							minLength: 3
						},						
						author: {
							required: true,
							email: true
						},
						azienda: {
							required: true,
							minLength: 3
						},
						citta: {
							required: true,
							minLength: 3
						},
						nazione: {
							required: true,
							minLength: 3
						},
						telefono: {
							required: true,
							minLength: 3
						},
						newsletter: {
							required: true
						}												
					},
					messages: {
								name: 		"\n",
								surname:	"\n",
								author: 		"\n",								
								azienda: 		"\n",
								citta: 		"\n",
								nazione: 		"\n",
								telefono: 		"\n",				
								newsletter: 	"\n"
							}					
				});

				$("#passwordForm").validate({
					rules: {
						author: {
							required: true,
							email: true
						}												
					},
					messages: {
								author: 		"\n",								
								newsletter: 	"\n"
							}					
				});

				$("#newsletterForm").validate({
					rules: {
						author: {
							required: true,
							email: true
						}												
					},
					messages: {
								author: 		"\n",								
								newsletter: 	"\n"
							}					
				});
													
			});