// function switchMenu shows and hides the nav pane via static image onClick statesfunction switchMenu(obj) {	var el = document.getElementById(obj);	if ( el.style.display != "none" ) {		el.style.display = 'none';	}	else {		el.style.display = ''; 	}}// function loadImage swaps in an image for an onMouseOver state and works with Tthewok css idfunction loadImage(strimagepath) { // strimagepath is the variable	var el = document.getElementById("Tthework"); // gets the element by its id Tthework	if (el)	{			el.src = strimagepath; //posts strimagepath to the page	}}// function loadImages swaps in an image for an onMouseOver state and works with thumbnail css idfunction loadImages(strimagepath) { // strimagepath is the variable	var el = document.getElementById("thumbnail"); // gets the element by its id thumbnail	if (el)	{			el.src = strimagepath; //posts strimagepath to the page	}}