var nmbTextLayers = 7;
var i,old_id='texte0';


function show(id) {
if (document.layers) { return; }
	hide(old_id);
	document.getElementById(id).style.visibility = 'visible';
	old_id=id
}


function hideAllFrom(textNo1, to_textNo2) {
	i = textNo1;
	while (i <= to_textNo2  && i < nmbTextLayers)
	{
	
		id = 'texte'+i;
		i++;
		hide(id);
	}

} 



function hide(id) {
if (document.layers) { return; }
	document.getElementById(id).style.visibility = 'hidden';
}