parentItems = 5; // Set this variable to the number of parent items in the outline

	// Preload Images
	var plusButton = new Image();
	var minusButton = new Image();
	plusButton.src = "images/collapsedButton2.gif";
	minusButton.src = "images/expandedButton2.gif";


	function toggleList(nodeNumber) {
		var parentImg = document.images["parent"+nodeNumber+"Img"];
		if (document.getElementById) {
			childNode = document.getElementById("child"+nodeNumber);
		} else if (document.all) {
			childNode = document.all["child"+nodeNumber];
		} else {
			// any other browsers - just do nothing
			// In these browsers the outline will be expanded by default
			return;
		}

		if (childNode.className == "collapsed") {
			parentImg.src = "images/expandedButton2.gif";
			childNode.className = "expanded";
		} else {
			parentImg.src = "images/collapsedButton2.gif";
			childNode.className = "collapsed";
		}
	}

	function toggleAll() {
		for (i=1; i<=parentItems; i++) {
			toggleList(i);
		}
	}