// List of images used in document by fnMouseOver and fnMouseOut functions
if (document.images) {
	enterBtnA						= new Image(); enterBtnA.src					= "images/enter1.png";
	enterBtnB						= new Image(); enterBtnB.src					= "images/enter0.png";
}
// onMouseOver (standard mouseOver)
function fnMouseOver(buttonName) {
	if (document.images && buttonName.length) {
		buttonDn					= eval(buttonName + "A.src");
		document[buttonName].src	= buttonDn;
	}
}
// onMouseOut (standard mouseOut)
function fnMouseOut(buttonName) {
	if (document.images && buttonName.length) {
		buttonUp					= eval(buttonName + "B.src");
		document[buttonName].src	= buttonUp;
	}
}