document.name="CSSMenu";
						
						var objChapter = null;
						var prevObject = null;;
						
						
						function changeWindowSize(windowWidth,windowHeight) {
							window.example.resizeTo(windowWidth,windowHeight)
						}
						
						function toggleClamShellMenu(objectID) {
							var object = document.getElementById(objectID);
							if ((prevObject) && (prevObject != object)) prevObject.style.display='none';
							if (object.style.display =='block')  object.style.display='none';
							object.style.display='block';
							prevObject = object;
							return;
						}