function menu(thingId,txtAff,txtMasque)
{
	var targetElement; var targetElementLink;
	targetElement = document.getElementById(thingId) ;
	targetElementLink = document.getElementById(thingId+'Link');
	if (targetElement.style.display == "none")
	{
		targetElement.style.display = "" ;
		targetElementLink.innerHTML = '<img src="'+txtMasque+'"class="noborder" align="absmiddle" />' ;
	} else {
		targetElement.style.display = "none" ;
		targetElementLink.innerHTML = '<img src="'+txtAff+'"class="noborder" align="absmiddle" />' ;
	}
}