var imageFiles_ho4w_13 = new Array();
imageFiles_ho4w_13['0'] = new Array ('_images/ho4w_Home.gif', '_images/ho4w_HomeMouseover.gif');
imageFiles_ho4w_13['1'] = new Array ('_images/ho4w_Book_Chapters.gif', '_images/ho4w_Book_ChaptersMouseover.gif');
imageFiles_ho4w_13['2'] = new Array ('_images/ho4w_Reviews.gif', '_images/ho4w_ReviewsMouseover.gif');
imageFiles_ho4w_13['3'] = new Array ('_images/ho4w_Order_Book.gif', '_images/ho4w_Order_BookMouseover.gif');
imageFiles_ho4w_13['4'] = new Array ('_images/ho4w_Author_Bio.gif', '_images/ho4w_Author_BioMouseover.gif');
imageFiles_ho4w_13['5'] = new Array ('_images/ho4w_Links.gif', '_images/ho4w_LinksMouseover.gif');
imageFiles_ho4w_13['6'] = new Array ('_images/ho4w_Contact_Us.gif', '_images/ho4w_Contact_UsMouseover.gif');

function image_on_ho4w_13 (position) {
   var doc = eval("document.imageho4w_13" + position);
   doc.src = imageFiles_ho4w_13[position][1];
}

function image_off_ho4w_13 (position) {
   var doc = eval("document.imageho4w_13" + position);
   doc.src = imageFiles_ho4w_13[position][0];
}