// (c) by Manfred Renner
// revised by Phil Plencner 5/12/1998
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

if (browserName == "Netscape" && browserVer >=3) {
    version = "n3";
}
else {
   if (browserName == "Microsoft Internet Explorer" && browserVer >=4) {
      version = "n3";
   }
   else {
     if (browserName == "Microsoft Internet Explorer" && browserVer >=3 && (navigator.userAgent.indexOf('Mac') != -1 || navigator.userAgent.indexOf('PowerPC') != -1)) {
        version = "n3";
     }
   else version = "n2"
   }
}

if (version == "n3") {
  if (document.images) {
  NEWIMG01 = new Image()
  NEWIMG02 = new Image()
  NEWIMG03 = new Image()
  NEWIMG04 = new Image()

  NEWIMG01.src = "imgs/lefton.gif"  //image when mouse is over the link
  NEWIMG02.src = "imgs/left.gif" //image when mouse isn't over the link
  NEWIMG03.src = "imgs/righton.gif"
  NEWIMG04.src = "imgs/right.gif" 
  }
} 
function imgover(imgname){
 if (version == "n3") {
  if (document.images) {
    if (document[imgname].name == "IMG01") {
        document[imgname].src = NEWIMG01.src
    }
    if (document[imgname].name == "IMG02") {
        document[imgname].src = NEWIMG03.src
    }
  } 
 }
}

function imgout(imgname){
 if (version == "n3") {
   if (document.images) {
     if (document[imgname].name == "IMG01") { 
         document[imgname].src = NEWIMG02.src
    }
     if (document[imgname].name == "IMG02") { 
         document[imgname].src = NEWIMG04.src
     } 
   } 
 }
}