var displayOnglet = function(e, id1, id2) {
	var n1 = document.getElementById(id1);
	var n2 = document.getElementById(id2);
	var img1 = e.firstChild;
	if(img1.src.indexOf('_on.gif') != -1) {return false;}
	var tmp = n2.previousSibling;
	while(tmp.nodeType != 1) {tmp = tmp.previousSibling;}
	var img2 = tmp.getElementsByTagName('img')[0];
	if(n1 && n2 && img1 && img2) {
		n1.className = 'show';
		img1.src = img1.src.replace('.gif', '_on.gif');
		n2.className = 'hide';
		img2.src = img2.src.replace('_on.gif', '.gif');
	}
	return false;
};