//detect browser:
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) browserVer = "1";
else if (browserName == "Microsoft Internet Explorer" && browserVer == 4) browserVer = "1";
else browserVer = "2";

//preload images:
if (browserVer == 1) {

home_on = new Image(44,25);
home_on.src = "images/my_home.jpg";
home_off = new Image(44,25);
home_off.src = "images/mw_home.jpg";


cont_on = new Image(91,25);
cont_on.src = "images/my_cont.jpg";
cont_off = new Image(91,25);
cont_off.src = "images/mw_cont.jpg";

port_on = new Image(93,25);
port_on.src = "images/my_port.jpg";
port_off = new Image(93,25);
port_off.src = "images/mw_port.jpg";

price_on = new Image(46,25);
price_on.src = "images/my_price.jpg";
price_off = new Image(46,25);
price_off.src = "images/mw_price.jpg";

jen_on = new Image(99,25);
jen_on.src = "images/my_jen.jpg";
jen_off = new Image(99,25);
jen_off.src = "images/mw_jen.jpg";
}


function menuon(menusel, comment)
{
  if (browserVer == 1) 
  {
      mystr= "document.images[menusel].src = "+menusel+"_on.src;"
      eval(mystr);
      window.status=comment;
  }
}


function menuoff(menusel)
{
  if (browserVer == 1) 
  {
      mystr= "document.images[menusel].src = "+menusel+"_off.src;"
      eval(mystr);
      window.status="";
  }
}