function mostrar(which,html) {
     //which.style.background='#000000'
	 //which.style.background="url(Images/fondo_menu01.gif) 198px 24px";
	 //which.style.color = "#30A2E6";
if (document.getElementById) {document.getElementById("descripcion").innerHTML=html} 
    else {descripcion.innerHTML=html} }

function ocultar(which){
     //which.style.background='bisque'
	 //which.style.background="url(Images/fondo_menu01.gif) 198px 24px";
	 //which.style.color = "#30A2E6";
if (document.getElementById) {document.getElementById("descripcion").innerHTML=' '} 
    else {descripcion.innerHTML=' '} }