function toggledisplay (id, id2, indicator){ 
	if (document.getElementById) { 
	var obj = document.getElementById(id);
	var obj2 = document.getElementById(id2);
	var pic = document.getElementById(indicator);
	obj.style.display = (obj.style.display=='block'?'none':'block');
	obj2.style.display = (obj2.style.display=='block'?'none':'block');
	pic.src = (obj.style.display=='block'?'images/spacer.gif':'images/spacer.gif');
	} 
	else alert=('Activez svp JavaScript');
}