$(function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("menu");
		lis = navRoot.getElementsByTagName("LI");
		for (i=0; i<lis.length; i++) {
			node = lis[i];
			node.onmouseover=function() {
				this.className+=" over";
			}
			node.onmouseout=function() {
				this.className=this.className.replace(" over", "");
			}
		}
	}
	$("#submenu a").each(function(index,obj) {
		if(this.href == window.location) {
			$(this).addClass("selected");
		}
	});
	$.preLoadImages(
		"/images/m_bg_green_s.jpg",
		"/images/m_bg_blue_s.jpg",
		"/images/m_bg_green_sl.jpg",
		"/images/m_bg_blue_sl.jpg",
		"/images/mi_s.gif"
	);
});

(function($) {
  var cache = [];
  // Arguments are image paths relative to the current page.
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }
})(jQuery)