function checkbox(selected) {
	if (selected != null) {
		document.getElementById("fonction").value = selected;
		document.getElementById("cb_espace_1").src = "images/input_radio_off.gif";
		document.getElementById("cb_espace_2").src = "images/input_radio_off.gif";
		document.getElementById("cb_espace_" + selected).src = "images/input_radio_on.gif";
	}
}

function checkbox_permis() {
	if (document.getElementById("permis").value == "yes") {
		document.getElementById("cb_permis").src = "images/input_radio_off.gif";
		document.getElementById("permis").value = "no";
	} else {
		document.getElementById("cb_permis").src = "images/input_radio_on.gif";
		document.getElementById("permis").value = "yes";
	}
}