// JavaScript Document


var last_expanded = ''; 

function showHide(id) 
{ 
var obj = document.getElementById(id); 

var status = obj.className; 

if (status == 'hide') { 

if (last_expanded != '') { 
var last_obj = document.getElementById(last_expanded); 
last_obj.className = 'hide'; 
} 

obj.className = 'show'; 

last_expanded = id; 
} else { 
obj.className = 'hide'; 
} 
}