
<!--
browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))

if ( browser)  {

  webbutton10off = new Image();
  webbutton10off.src = "images/aboutdrgrant.jpg";
  webbutton10on = new Image();
  webbutton10on.src = "images/aboutdrgrant_on.jpg";
  
  webbutton20off = new Image();
  webbutton20off.src = "images/thepractice.jpg";
  webbutton20on = new Image();
  webbutton20on.src = "images/thepractice_on.jpg";
  
  webbutton30off = new Image();
  webbutton30off.src = "images/firstvisit.jpg";
  webbutton30on = new Image();
  webbutton30on.src = "images/firstvisit_on.jpg";
  
  webbutton40off = new Image();
  webbutton40off.src = "images/findus.jpg";
  webbutton40on = new Image();
  webbutton40on.src = "images/findus_on.jpg";
  
  webbutton50off = new Image();
  webbutton50off.src = "images/terms.jpg";
  webbutton50on = new Image();
  webbutton50on.src = "images/terms_on.jpg";
  
  webbutton60off = new Image();
  webbutton60off.src = "images/links.jpg";
  webbutton60on = new Image();
  webbutton60on.src = "images/links_on.jpg";
  
  }

function img_on(imgName) {
  if ( browser) {
    imgOn = eval(imgName + "on.src");
    document [imgName].src = imgOn;

  }
}

function img_off(imgName) {
  if ( browser) {
    imgOff = eval(imgName + "off.src");
    document [imgName].src = imgOff;
  }
}