var browserName=navigator.appName;
if (browserName=="Microsoft Internet Explorer"){
//	document.write('<link href="explorer.css" rel="stylesheet" type="text/css">');
}
startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
nav2Root = document.getElementById("nav2");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
  }
  node.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
   }
  }
  for (i=0; i<nav2Root.childNodes.length; i++) {
node2 = nav2Root.childNodes[i];
if (node2.nodeName=="LI") {
node2.onmouseover=function() {
this.className+=" over";
  }
  node2.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
   }
  }
 }
}
window.onload=startList;


function showAnswer(divName){
el = document.getElementById(divName);
(el.style.display == "none") ? el.style.display='block':el.style.display='none';
}


function showColours(divName, position){

el = document.getElementById(divName);
(el.style.display == "none") ? el.style.display='block':el.style.display='none';
el.style.top=position;
}