function ImageSwapIn(x) {
	PicNum1 = 'White' + x;
	document.getElementById(PicNum1).src = '_images/Arrow_Menu_Left.jpg';  
}
function ImageSwapOut(x) {
	PicNum1 = 'White' + x;
	document.getElementById(PicNum1).src = '_images/White.jpg';  
}