//<!--

var changeContent = function(t){
 document.getElementById("h1").src="/images/hiw_icon_learn.gif";
 document.getElementById("h2").src="/images/hiw_icon_track.gif";
 document.getElementById("h3").src="/images/hiw_icon_share.gif";
 document.getElementById('content1').className = 'hidden';
 document.getElementById('content2').className = 'hidden';
 document.getElementById('content3').className = 'hidden';
 
 switch(t.toUpperCase()){
  case "TRACK":
   document.getElementById("h2").src="/images/hiw_icon_track_o.gif";
   document.getElementById('content2').className = '';
   break;
  case "SHARE":
   document.getElementById("h3").src="/images/hiw_icon_share_o.gif";
   document.getElementById('content3').className = '';
   break;
  default:
   document.getElementById("h1").src="/images/hiw_icon_learn_o.gif";
   document.getElementById('content1').className = '';
 }
}

//-->