function verifForm(form) {
	
	if($F('nom') == '') {
		alert("You have not entered your name!");
		$('nom').focus();
	}
	
	else if($F('email') == '') {
		alert("You have not entered your e-mail!");
		$('email').focus();
	}
	
	else if(!isMail($F('email'))) {
		alert("Invalid email address!");
		$('email').select();
	}
	
	else if($F('message') == '') {
		alert("You have entered no message!");
		$('message').focus();
	}
	
	else if($F('captcha_saisie') == '') {
		alert("You have not entered the verification code!");
		$('captcha_saisie').focus();
	}

	else $(form).submit();
}