<!--
versOk = (((navigator.appName == "Netscape")&& (parseInt(navigator.appVersion) >= 3))||((navigator.appName == "Microsoft Internet Explorer")&&(parseInt(navigator.appVersion)>=4)));
if(versOk)
   {
	c0_off = new Image(); c0_off.src="images/b3.gif";
	c0_on = new Image(); c0_on.src="images/b3a.gif";
	c1_off = new Image(); c1_off.src="images/b2.gif";
	c1_on = new Image(); c1_on.src="images/b2a.gif";
	c2_off = new Image(); c2_off.src="images/b1.gif";
	c2_on = new Image(); c2_on.src="images/b1a.gif";
	c3_off = new Image(); c3_off.src="images/b4.gif";
	c3_on = new Image(); c3_on.src="images/b4a.gif";
	c4_off = new Image(); c4_off.src="images/b5.gif";
	c4_on = new Image(); c4_on.src="images/b5a.gif";
	c5_off = new Image(); c5_off.src="images/b6.gif";
	c5_on = new Image(); c5_on.src="images/b6a.gif";

   }

function rollOn(n)
   {
   if (versOk)
      { light=eval(n+"on.src");
      document[n].src=light; 
      }
   }

function rollOff(n)
   {
   if (versOk)
      {
      dark=eval(n+"off.src");
      document[n].src=dark;
      }
   }
//-->