nn4=(document.layers)?true:false;
ie4=(document.all)?true:false;
ie5=navigator.appVersion.indexOf("MSIE 5")>0;

function loader(){
	contiOn = new Image();
	contiOn.src = './img/conti_on.gif';
	contiOut = new Image();
	contiOut.src = './img/conti.gif';
	adtrakOn = new Image();
	adtrakOn.src = './img/adtrak_on.gif';
	adtrakOut = new Image();
	adtrakOut.src = './img/adtrak.gif';
}
function swap(name, state){
  if (state)  document.getElementById(name).src = eval(name+"On.src");
  else document.getElementById(name).src = eval(name+"Out.src"); 
}
/*function swap(name, state){
  if (state)  document.images[name].src = eval(name+"On.src");
  else document.images[name].src = eval(name+"Out.src"); 
}*/