function isValidEmail(email)
{
   var regex = /^([\w\._-]+)@([\w-]+)\.([\w]{2,4})(\.[\w]{2,4})?$/;
		     
   if (email.match(regex))
	  return true;
   else
   	  return false;
}

if (typeof newsletter != "object")
 newsletter = 
 {
   validarForm: function (itemObj) 
   {
        var email = itemObj.email.value;
    	var nome  = itemObj.nome.value;
    	  	
    	if (!nome) {
    		
    		alert('Por favor, complete todos os dados');
    		itemObj.nome.focus();
    		
    		return false;
    	}
    	
    	if (!isValidEmail(email)) {
    		
    		alert('Por favor, coloque um e-mail válido');
    		itemObj.email.focus();
    		
    		return false;
      	}
    	
    	 $(itemObj).ajaxSubmit({success: function(receivedText){ $('#newsletterForm').hide(); $('#err').html(receivedText).fadeIn(); $('#textForm').fadeIn(); }});
    	    		
    	return false;
   },
   
   insertForm: function () {
      
      $('#newsletterForm').resetForm();
      $('#textForm').hide();
      $('#newsletterForm').fadeIn();

   }         
    
 };