var imageFiles_ho4w_16 = new Array();
imageFiles_ho4w_16['0'] = new Array ('_images/ho4w_Home.gif', '_images/ho4w_HomeMouseover.gif');
imageFiles_ho4w_16['1'] = new Array ('_images/ho4w_Book_Chapters.gif', '_images/ho4w_Book_ChaptersMouseover.gif');
imageFiles_ho4w_16['2'] = new Array ('_images/ho4w_Reviews.gif', '_images/ho4w_ReviewsMouseover.gif');
imageFiles_ho4w_16['3'] = new Array ('_images/ho4w_Order_Book.gif', '_images/ho4w_Order_BookMouseover.gif');
imageFiles_ho4w_16['4'] = new Array ('_images/ho4w_Author_Bio.gif', '_images/ho4w_Author_BioMouseover.gif');
imageFiles_ho4w_16['5'] = new Array ('_images/ho4w_Links.gif', '_images/ho4w_LinksMouseover.gif');
imageFiles_ho4w_16['6'] = new Array ('_images/ho4w_Contact_Us.gif', '_images/ho4w_Contact_UsMouseover.gif');

function image_on_ho4w_16 (position) {
   var doc = eval("document.imageho4w_16" + position);
   doc.src = imageFiles_ho4w_16[position][1];
}

function image_off_ho4w_16 (position) {
   var doc = eval("document.imageho4w_16" + position);
   doc.src = imageFiles_ho4w_16[position][0];
}