// wait for the DOM to be loaded 
	$(document).ready(function() { 
		var options = { 
			//target:        '#formmailing',   // target element(s) to be updated with server response 
			beforeSubmit:  showRequest,  // pre-submit callback 
			success:       showResponse  // post-submit callback
		}; 
		// bind 'myForm' and provide a simple callback function 
		$('#formcomentarios').ajaxForm(options); 
	}); 
	
	function showRequest (formData) {
		// codifica caracters especials
		//formData[2].value = escape(formData[2].value); // el nom
		//formData[4].value = escape(formData[4].value); // el comentari
		return submitItMultiple(document.forms[0],Array('nom','email','contgt'),Array('nombre','email','comentario'),'es un campo obligatorio')
	}
	function showResponse(responseText, statusText)  { 
		$('#comentari-send').css({marginTop:"20px", padding:"10px", background:"#C5C3C4"});
		$('#comentari-send').append('<p id="msg-formmailing"><strong>'+responseText+'</strong></p>');
		document.forms[0].reset();
	}