function ShowLayerById(id){ document.getElementById(id).style.visibility = "visible"; if ((document.getElementById(id).tagName=="tr") && (navigator.userAgent.toLowerCase().indexOf("msie")<0)) { document.getElementById(id).style.display = "table-row"; } else { document.getElementById(id).style.display = "block"; }}
function HideLayerById(id){ document.getElementById(id).style.visibility = "hidden"; document.getElementById(id).style.display = "none"; }