function check_developer() {

	var error_message = "Some inputs are missing :\n";
	var error_flag = false;

	/*Under construction*/
	//alert("This area is still under construction...");
	//return false;

	if (!document.forms["developer"].elements["login"].value.length) {
		error_message += " - Login\n";
		error_flag = true;
	}
	if (!document.forms["developer"].elements["password"].value.length) {
		error_message += " - Password\n";
		error_flag = true;
	}
	
	if (error_flag) {
		alert(error_message);
		return false;
	}
	return true;
}

function checkRegister() {

	var error_message = "Some inputs are missing :\n";
	var error_flag = false;

	/*Under construction*/
	//alert("This area is still under construction...");
	//return false;

	if (!document.forms["register"].elements["firstname"].value.length) {
		error_message += " - First Name\n";
		error_flag = true;
	}
	if (!document.forms["register"].elements["lastname"].value.length) {
		error_message += " - Last Name\n";
		error_flag = true;
	}
	if (!document.forms["register"].elements["email"].value.length) {
		error_message += " - Email\n";
		error_flag = true;
	} else {
		var reg = new RegExp("^[a-zA-Z0-9\-_.]+@[a-zA-Z0-9\-_]+[\.][a-zA-Z\-_]+", "g");
		var email = document.forms["register"].elements["email"].value.match(reg);

		if (email == null) {
			error_message += " - Email uncorrect\n";
			error_flag = true;
		}
	}

	
	if (error_flag) {
		alert(error_message);
		return false;
	}
	return true;
}