if (document.images) {
	
	var hq_off = new Image();
		hq_off.src = "hq_off.gif";
	var hq_hi = new Image();
		hq_hi.src = "hq_hi.gif";
			
	var commentary_off = new Image();
		commentary_off.src = "commentary_off.gif";
	var commentary_hi = new Image();
		commentary_hi.src = "commentary_hi.gif";
	
	var background_off = new Image();
		background_off.src = "background_off.gif";
	var background_hi = new Image();
		background_hi.src = "background_hi.gif";
	
	var fromtheauthor_off = new Image();
		fromtheauthor_off.src = "fromtheauthor_off.gif";
	var fromtheauthor_hi = new Image();
		fromtheauthor_hi.src = "fromtheauthor_hi.gif";

	var contact_off = new Image();
		contact_off.src = "contact_off.gif";
	var contact_hi = new Image();
		contact_hi.src = "contact_hi.gif";

}
	
	
function activate(imgName) {
	if (document.images) {
		if (eval(imgName + "_hi.complete")) {
			document.images[imgName].src = eval(imgName + "_hi.src");
		}
	}
}
	
function deactivate(imgName) {
	if (document.images) {
		if (eval(imgName + "_off.complete")) {
			document.images[imgName].src = eval(imgName + "_off.src");
		}
	}
}