var oldContent="chap1";

	function introSwitch(){
		
		var oldTitle = oldContent + "Title";
		var oldText = "text" + oldContent ;
		var oldImage = "image" + oldContent ;
		document.getElementById(oldTitle).style.backgroundColor = "#ffffff";
		document.getElementById(oldText).style.display = "none";
     	document.getElementById(oldImage).style.display = "none";
     	document.getElementById("introMovie").style.display = "block";
	}
	function isMouseLeaveOrEnter(e, handler){	
	if (e.type != 'mouseout' && e.type != 'mouseover') return false;
	var reltg = e.relatedTarget ? e.relatedTarget :
	e.type == 'mouseout' ? e.toElement : e.fromElement;
	while (reltg && reltg != handler) reltg = reltg.parentNode;
	return (reltg != handler);
	}

function switchTxt(content, e, handler) {
		var oldTitle = oldContent + "Title";
		var oldText = "text" + oldContent ;
		var oldImage = "image" + oldContent ;
		var title = content + "Title";
		var text = "text" + content;
		var image = "image" + content;
		document.getElementById(oldTitle).style.backgroundColor = "#ffffff";
		document.getElementById(oldText).style.display = "none";
     	document.getElementById(oldImage).style.display = "none";
     	document.getElementById(title).style.backgroundColor = "#fdad00";
     	document.getElementById(text).style.display = "block";
     	document.getElementById(image).style.display = "block";
   	document.getElementById("introMovie").style.display = "none";
    	oldContent=content;
	}