<!--

  if (document.images)
   {
     homeon= new Image(170,20);
     homeon.src="images/nav-home-over.gif";

     profileon= new Image(170,20);
     profileon.src="images/nav-profile-over.gif";

     portfolioon= new Image(170,20);
     portfolioon.src="images/nav-portfolio-over.gif";

     contacton= new Image(170,20);
     contacton.src="images/nav-contact-over.gif";


     homeoff= new Image(170,20);
     homeoff.src="images/nav-home-out.gif";

     profileoff= new Image(170,20);
     profileoff.src="images/nav-profile-out.gif";

     portfoliooff= new Image(170,20);
     portfoliooff.src="images/nav-portfolio-out.gif";

     contactoff= new Image(170,20);
     contactoff.src="images/nav-contact-out.gif";
   }

function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }

//-->