var memo_obj = new Array();

function findObj_test_forcer(n, forcer) { 
	var p,i,x;

	// Voir si on n'a pas deja memorise cet element
	if (memo_obj[n] && !forcer) {
		return memo_obj[n];
	}

	var 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
	if (!forcer) memo_obj[n] = x;
	return x;
}

function findObj(n) { 
	return findObj_test_forcer(n, false);
}

	function swap_couche(couche, rtl, dir, no_swap) {
		var layer;
		var triangle = document.getElementById('triangle' + couche);
		if (!(layer = findObj('Layer' + couche))) return;
		if (layer.style.display == "none"){
			if (!no_swap && triangle) triangle.src = dir + 'deplierbas.gif';
			layer.style.display = 'block';
		} else {
			if (!no_swap && triangle) triangle.src = dir + 'deplierhaut' + rtl + '.gif';
			layer.style.display = 'none';
		}
}