function validation_formulaire(){

	var mail_personne = document.getElementById('mail_personne').value;
	
	theform = document.getElementById("form_abce_formation");

	if(mail_personne==""){
		alert ("Le champ \"E-mail\" est vide");
		document.getElementById("mail_personne").focus();
		return;
	}
	else{
		if(email_valide(mail_personne)){

			theform.submit();
			return;
			
		}
	}
}