// JavaScript Document
function initQnA() { 
   if ( !document.getElementById || !document.getElementsByTagName ) { 
     return null; 
   } 
   var divs = document.getElementsByTagName('div') 
   var x, i = divs.length; 
   if ( divs[0].style ) { 
     while ( i-- ) { 
       x = divs[i]; 
       if ( x.className ) { 
         if ( 'Q' == x.className ) { 
           x.onclick = function() {showHideA(this)}; 
           x.title = 'Click to show/hide answer'; 
         } else if ( 'A' == x.className ) { 
           x.style.display = 'none'; 
         } 
       } 
     } 
   } 



} 


function showHideA(dQ){ 
   var dAid = 'A-' + dQ.id.split('-')[1]; 
   var dA = document.getElementById(dAid); 
   dA.style.display = ( 'none' == dA.style.display )? '' : 'none'; 


} 


window.onload = initQnA;