<!--
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImages() {
  if (document.images && (preloadFlag == true)) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
	image1on = newImage("images/nav/home_f2.gif");
	image1off = newImage("images/nav/home.gif");
   	image2on = newImage("images/nav/site_f2.gif");
	image2off = newImage("images/nav/site.gif");	
	image3on = newImage("images/nav/reso_f2.gif");
	image3off = newImage("images/nav/reso.gif");
	image4on = newImage("images/nav/curr_f2.gif");
	image4off = newImage("images/nav/curr.gif");
	image5on = newImage("images/nav/part_f2.gif");
	image5off = newImage("images/nav/part.gif");
	image6on = newImage("images/nav/acti_f2.gif");
	image6off = newImage("images/nav/acti.gif");
	image7on = newImage("images/nav/cont_f2.gif");
	image7off = newImage("images/nav/cont.gif");
	image8on = newImage("images/nav/cred_f2.gif");
	image8off = newImage("images/nav/cred.gif");
	image9on = newImage("images/nav/past_expeditions_f2.gif");
	image9off = newImage("images/nav/past_expeditions.gif");
	preloadFlag = true;
	}
}
preloadImages();
//popup window
function openWindow(url,name,features) {
  popupWin = window.open(url,name,features)
  popupWin.focus();
}
// -->