if (typeof PrairieTech === 'undefined' || !PrairieTech) { var PrairieTech = {}; }
if (!PrairieTech.navHandler) {
	PrairieTech.toggleNav = function(e) {
		var ul, obj, children, i, l;
		ul = this.parentNode.getElementsByTagName('ul');
		if (ul && ul.length === 1) {
			ul = ul[0];
			obj = document.getElementById('dsContentNav');
			if (obj) {
				children = obj.getElementsByTagName('ul');
				for (i = 1, l = children.length; i < l; i++) {
					children[i].className = children[i].className.replace('expanded', 'collapsed');
				}
				ul.className = ul.className.replace('collapsed', 'expanded');
				MakinHey.event.preventDefault(e);
			}
		}
	};
	PrairieTech.navHandler = function() {
		var obj, children, i, l;
		if (document.getElementById) {
			obj = document.getElementById('dsContentNav');
			if (obj) {
				children = obj.getElementsByTagName('a');
				for (i = 0, l = children.length; i < l; i++) {
					if (children[i].className === 'level1') {
						MakinHey.event.addListener(children[i], 'click', PrairieTech.toggleNav);
					}
				}
			}
		}
	};
	MakinHey.event.defer(PrairieTech.navHandler, []);
	document.write('<style type="text/css">.collapsed{display:none}</style>');
}