<!--

if (document.images) {
     var homeabout_hl = new Image();
     homeabout_hl.src = "sharedimages/homeabout_hl.gif";
     var homeabout = new Image();
     homeabout.src = "sharedimages/homeabout.gif";

     var homeport_hl = new Image();
     homeport_hl.src = "sharedimages/homeport_hl.gif";
     var homeport = new Image();
     homeport.src = "sharedimages/homeport.gif";

     var homemyrn_hl = new Image();
     homemyrn_hl.src = "sharedimages/homemyrn_hl.gif";
     var homemyrn = new Image();
     homemyrn.src = "sharedimages/homemyrn.gif";
}

function imgOn(imgName) {
     if (document.images) {
          document.images[imgName].src = eval(imgName + "_hl").src;
     }
}

function imgOff(imgName) {
     if (document.images) {
          document.images[imgName].src = eval(imgName).src;
     }
}

//-->