var plageEnCours = null;

function affiche(sourceId,min, max) {

if (plageEnCours == null) plageEnCours = document.getElementById("plage01");
var sourceEvt = document.getElementById(sourceId);
if (sourceEvt == plageEnCours) return;
min = min -1;
max = max - 1;
var ul = document.getElementById("listeFiches");
var list = ul.getElementsByTagName("li");
for (var i = 0; i < list.length;i++) {
var element = list[i];
if ((i < min) || (i > max)) {
element.style.display= "none";
}
else {
element.style.display= "block";
}
}
plageEnCours.style.fontWeight= "bold";
plageEnCours.style.textDecoration= "underline";
plageEnCours.style.color = "rgb(179, 101, 5)";
plageEnCours = sourceEvt;
plageEnCours.style.fontWeight= "normal";
plageEnCours.style.textDecoration= "none";
plageEnCours.style.color = "black";
}


function display(key) {
	var displayBlock = document.getElementById("sub_" + key);
	var currentDisplay = displayBlock.style.display;
	var displayed = (currentDisplay == "block");
	var newDisplay;
	if (displayed) {
		newDisplay="none";
	}
	else {
		newDisplay="block";
	}
	displayBlock.style.display= newDisplay;
}