function valid(){
	var ok = true;
	// Login
	if(!document.choix.login.value.length){
		document.choix.login.style.borderColor = "#FF0000";
		ok = false;
	}else document.choix.login.style.borderColor = "#CCCCCC";
	
	// MDP
	if(!document.choix.password.value.length){
		document.choix.password.style.borderColor = "#FF0000";
		ok = false;
	}else document.choix.password.style.borderColor = "#CCCCCC";
	
	// Confirmation
	if(document.choix.confirmation.value != document.choix.password.value){
		document.choix.confirmation.style.borderColor = "#FF0000";
		ok = false;
	}else document.choix.confirmation.style.borderColor = "#CCCCCC";
	
	
	
	if(ok) document.choix.submit();
}