// JavaScript Document
sitemap=new Array(0,0,0); 
function disp(which) { 
if(sitemap[which]) { 
document.getElementById("e"+which).style.display="none"; 
document.getElementById("a"+which).style.display="none"; 
document.getElementById("b"+which).style.display="inline"; 
sitemap[which]=0; 
} 
else { 
document.getElementById("e"+which).style.display="block";
document.getElementById("a"+which).style.display="inline"; 
document.getElementById("b"+which).style.display="none"; 
sitemap[which]=1; 
} 
}