function codeTouche(evenement)
{
        for (prop in evenement)
        {
                if(prop == 'which') return(evenement.which);
        }
        return(evenement.keyCode);
}


function scanTouche(evenement)
{
        var codeDecimal  = codeTouche(evenement);
		
		if (codeDecimal == 13) {
			document.getElementById('action').value='connexion_user';
			document.getElementById('connexion').submit();
		}
		else
			return;
}

function scanTouche2(evenement)
{
        var codeDecimal  = codeTouche(evenement);
		
		if (codeDecimal == 13) {
			document.getElementById('action').value='connexion_user';
			document.getElementById('register').submit();
		}
		else
			return;
}