// Implements 'to top' arrow functionality by replacing the specified 'top' image with secondary images

//function mOverTop(imgNm) {
//  ImgReplace(imgNm, '/images/sb_top1.gif');
//}
//function mOutTop(imgNm) {
//  ImgReplace(imgNm, '/images/sb_top.gif');
//}
//getTop = new Preload(
//'/images/sb_top1.gif'
//);