function check_f_alertes() {

	v_return_code = true;
	// CheckSearch
	
	// Check firstname, lasname, isEmail
	if (document.getElementById("t_lastname")) {
		if ( (document.getElementById("t_lastname").value.length<=0) || (trim(document.getElementById("t_lastname").value.toUpperCase()) == "NOM") ) {			
			document.getElementById("t_lastname").value = "NOM";
			document.getElementById("t_lastname").style.color = "#ff0000";
			v_return_code = false;
		}
	}
	
	if (document.getElementById("t_firstname")) {
		if ( (document.getElementById("t_firstname").value.length<=0) || (trim(document.getElementById("t_firstname").value.toUpperCase()) == "PRENOM") ) {			
			document.getElementById("t_firstname").value = "PRENOM";
			document.getElementById("t_firstname").style.color = "#ff0000";
			v_return_code = false;
		}
	}	
	
	if (document.getElementById("t_email_address")) {
		
		if ( (document.getElementById("t_email_address").value.length<=0) || (trim(document.getElementById("t_email_address").value.toUpperCase()) == "ADRESSE MAIL") ) {			
			document.getElementById("t_email_address").value = "ADRESSE MAIL";
			document.getElementById("t_email_address").style.color = "#ff0000";
			v_return_code = false;
			
		} else if (!isEmail(document.getElementById("t_email_address").value)) {
			
			alert("Adresse e-mail invalide");
			v_return_code = false;
		}
	}		
	
	
	if (!v_return_code)  {
		alert(jstring("Merci de renseigner tous les champs obligatoires"));
	}	
	
	return v_return_code;
}

function submit_f_alertes() {
	
	if (!check_f_alertes()) return false;
	
	document.getElementById("flag_send").value ="1";
	document.getElementById("f_alertes").submit();	
}


function unsubscribe_f_alertes() {

	document.getElementById("flag_send").value ="1";
	document.getElementById("f_alertes").submit();	
}