if (document.images) {

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  nav1on.src = "http://www.radiowaveradiosurgery.com/images/nav-editors_on.gif";
  nav1off = new Image();
  nav1off.src = "http://www.radiowaveradiosurgery.com/images/nav-editors.gif";

  nav2on = new Image();
  nav2on.src = "http://www.radiowaveradiosurgery.com/images/nav-archives_on.gif";
  nav2off = new Image();
  nav2off.src = "http://www.radiowaveradiosurgery.com/images/nav-archives.gif";
  
  nav3on = new Image();
  nav3on.src = "http://www.radiowaveradiosurgery.com/images/nav-radiospecial_on.gif";
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  nav3off.src = "http://www.radiowaveradiosurgery.com/images/nav-radiospecial.gif";

  nav4on = new Image();
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  nav7on = new Image();
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  nav7off.src = "http://www.radiowaveradiosurgery.com/images/nav-contact.gif";


}

function changeImages() {
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    for (var i=0; i<changeImages.arguments.length; i+=2) {
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}

//