function _CF_onError(form_object, input_object, object_value, error_message)
    {
	alert(error_message);
       	return false;	
    }

function _CF_hasValue(obj, obj_type)
    {
    if (obj_type == "TEXT" || obj_type == "PASSWORD")
	{
    	if (obj.value.length == 0) 
      		return false;
    	else 
      		return true;
    	}
    else if (obj_type == "SELECT")
	{
        for (i=0; i < obj.length; i++)
	    	{
		if (obj.options[i].selected)
			return true;
		}
       	return false;	
	}
    else if (obj_type == "SINGLE_VALUE_RADIO" || obj_type == "SINGLE_VALUE_CHECKBOX")
	{
		if (obj.checked)
			return true;
		else
       		return false;	
	}
    else if (obj_type == "RADIO" || obj_type == "CHECKBOX")
	{
        for (i=0; i < obj.length; i++)
	    	{
		if (obj[i].checked)
			return true;
		}
       	return false;	
	}
	}

function _CF_checkregex(object_value, regex)
	{
	//Returns true if the value matches the Regular Expression passed in.
	return regex.test(object_value);
	}

function  _CF_checkCFForm_1(_CF_this)
    {
    if  (!_CF_hasValue(_CF_this.nome, "TEXT" )) 
        {
        if  (!_CF_this, _CF_this.nome, _CF_this.nome.value, "Immettere il Nome")
            {
            return false; 
            }
        }
				if  (!_CF_hasValue(_CF_this.oggetto, "TEXT" )) 
        {
        if  (!_CF_this, _CF_this.oggetto, _CF_this.oggetto.value, "Immettere l'oggetto della richiesta")
            {
            return false; 
            }
        }
    if  (!_CF_checkregex(_CF_this.email.value, /^[A-Za-z0-9\._-]+@([0-9a-zA-Z][0-9A-Za-z_-]+\.)+[a-z]{2,4}$/))
        {
        if  (!_CF_this, _CF_this.email, _CF_this.email.value, "inserire un indirizzo e-mail valido")
            {
            return false; 
            }
        }

    return true;
    }