function loadContent() {
Effect.Appear('transition-container', { duration:1, from:0.0, to:1.0 });
}


var current = "sub0";
function crossfade(next) {
	if(next != current) {
		Effect.Fade(current, { duration:0.5, from:1.0, to:0.0 });
		Effect.Appear(next, { duration:0.5, from:0.0, to:1.0 });
		current = next;
		highlightLinks(document.getElementById('nav-' + next));
	}
}

function highlightLinks(obj) {
   var linkList = document.getElementById("subnav").getElementsByTagName("a");
   for (i = 0; i < linkList.length; i++) {
      linkList[i].className = "";
   }
   obj.className = "sub-current";
}