var cycling="http://www.roobsta.com/cycling.html";

indicator = new Array(2);
indicator[0] = new Image();
indicator[0].src = "cycling/thumbs/blank.gif";
indicator[1] = new Image();
indicator[1].src = "cycling/thumbs/indicator.gif";

var lpicked="";

function envCheck()
{
  var ref = document.referrer;
  if (ref.indexOf("roobsta.com") == -1)
  {
   	 if (ref != "")
	 {
	   	 location.replace(cycling);
     }
  }
}

function Identify(picked)
{
// remove indicator
	lpicked.src=indicator[0].src;

   if (picked != "none")
   {
      // in with the new
	   picked.src=indicator[1].src;
      // log choice
	   lpicked = picked;
	   status = 'Click on the list for further information!';
   }
}