// these two variables hold the name of the active selection
var open_tab="home_";
var active_arrow="dn_";

// flipTab(object,mode) flips an objects images between normal mode ("idle") and mouseover mode ("hover") -- used with the tabs for each page.
function flipTab(o,m){
  var s=o.name;
  if (s==open_tab) return "img/"+s+"active.png";
  if (m==1) var tabimg="img/"+s+"hover.png";
  else var tabimg="img/"+s+"idle.png";
  return tabimg;
}