// JavaScript Document
var vis = new Array();
var memo_obj = new Array();
function findObj(n){ 
	var p,i,x;
	// Voir si on n'a pas deja memoriser cet element		
	if (memo_obj[n]) return memo_obj[n];
	d = document; 
	if((p = n.indexOf("?"))>0 && parent.frames.length){
		d = parent.frames[n.substring(p+1)].document; 
		n = n.substring(0,p);
	}
	if(!(x = d[n]) && d.all){
		x = d.all[n]; 
	}
	for (i = 0; !x && i<d.forms.length; i++){
		x = d.forms[i][n];
	}
	for(i=0; !x && d.layers && i<d.layers.length; i++) x = findObj(n,d.layers[i].document);
	if(!x && document.getElementById) x = document.getElementById(n); 
		
	// Memoriser l'element
	memo_obj[n] = x;
		
	return x;
}
function hide_obj(obj){
	element = findObj(obj);
	if(element){
		if (element.style.visibility != "hidden") element.style.visibility = "hidden";
	}
}
function swap_couche(couche, rtl, dir, no_swap) {
	triangle = findObj('triangle' + couche);
	if (!(layer = findObj('Layer' + couche))) return;
	if (vis[couche] == 'hide'){
		if (!no_swap && triangle) triangle.src = dir + 'deplierbas.gif';
		layer.style.display = 'block';
		vis[couche] = 'show';
	} else {
		if (!no_swap && triangle) triangle.src = dir + 'deplierhaut' + rtl + '.gif';
		layer.style.display = 'none';
		vis[couche] = 'hide';
	}
}
function acceder_couche(couches, n, dir, icone, texte, sens) {
	javasc = ''
	for (j=0; j<couches.length; j+=1)	javasc += 'swap_couche(' + couches[j][0] + ", '" + sens + "','" + dir + "', " + couches[j][1] + ");";	  
	document.write('<a class="triangle_block" href="javascript:' +
	    javasc +
	    '"><img name="triangle' + n + '" src="' +
	    dir + icone + '" alt="' + texte + '" title="' + texte +
	    '" width="10" height="10" border="0"></a>');
}