function show_b(id) { el = document.getElementById(id); if(el) el.style.visibility='visible'; } function none_b(id) { el = document.getElementById(id); if(el) el.style.visibility='hidden' ; } function showHideSubmenu(itemid,submenuid,pointerid,sflag) { var iid=document.getElementById(itemid).style; var smid=document.getElementById(submenuid).style; var pid=document.getElementById(pointerid); if(smid.display=="none") { smid.display="block"; iid.color=(sflag==0 ? "#227222" : "#613918"); pid.src=(sflag==0 ? pointer_es.src : pointer.src); } else { smid.display="none"; iid.color="#227222"; pid.src=nopointer.src; } }