function checkForm(myForm){
	//var login = myForm.MARQUE_LOGIN;
	//var password = myForm.MARQUE_PASSWORD;
	var login = document.getElementById("MARQUE_LOGIN");
	var password = document.getElementById("MARQUE_PASSWORD");

	// reset color champs ko
	login.style.borderColor="#000000";
	password.style.borderColor="#000000";

	var bc; // booléen de controle : erreur si TRUE
	var msg; //message d'erreur
	bc=false;
	msg = "Unabled to proceed :\n\n ";
	
	// controle Login vide
	if (login.value.length <= 0){
		bc=true;
		msg=msg+"> Login required \n";
		login.style.borderColor='#FF0000';
	}
	if (password.value.length <= 0){
		bc=true;
		msg=msg+"> Password required \n";
		password.style.borderColor='#FF0000';
	}
	if (bc)	{ 
		alert(msg); 
		return false;
	}else{
		myForm.submit();
	}

}