BrowserName=navigator.appName;
 BrowserVersion=parseInt(navigator.appVersion);
 if (BrowserName=="Netscape" && BrowserVersion>=3)
  useable="yes";
 else
  useable="yes";

button01=new Button("images/m01.jpg","images/m01a.jpg");
button02=new Button("images/m02.jpg","images/m02a.jpg");
button03=new Button("images/m03.jpg","images/m03a.jpg");
button04=new Button("images/m04.jpg","images/m04a.jpg");
button05=new Button("images/m05.jpg","images/m05a.jpg");
button06=new Button("images/m06.jpg","images/m06a.jpg");

 function Button(norm_src,sel_src)
 {
  if (useable=="yes")
  {
   this.norm=new Image();
   this.sel=new Image();
   this.norm.src=norm_src;
   this.sel.src=sel_src;
  }
 }

 function TurnToSel(ImageName)
 {
  if (useable=="yes")
  {
   NewSrc=eval(ImageName+".sel.src");
   document[ImageName].src=NewSrc;
  }
 }

 function TurnToNorm(ImageName)
 {
  if (useable=="yes")
  {
   NewSrc=eval(ImageName+".norm.src");
   document[ImageName].src=NewSrc;
  }
 }