// JavaScript Document
dd=document;NS=(dd.layers)?1:0;IE=(dd.all)?1:0;DOM=(dd.getElementById)?1:0 
function showlr(L){ 
if(NS)dd.layers[L].visibility='show'; 
else if (IE)obg=dd.all[L]; 
else obg=dd.getElementById(L); 
if(!NS)obg.style.visibility='visible'} 
function hidelr(L){ 
if(NS)dd.layers[L].visibility='hide'; 
else if (IE)obg=dd.all[L]; 
else obg=dd.getElementById(L); 
if(!NS)obg.style.visibility='hidden'}