var imageFiles_7s_31 = new Array();
imageFiles_7s_31['0'] = new Array ('_images/7s_Making_Leather.gif', '_images/7s_Making_LeatherMouseover.gif');

function image_on_7s_31 (position) {
   var doc = eval("document.image7s_31" + position);
   doc.src = imageFiles_7s_31[position][1];
}

function image_off_7s_31 (position) {
   var doc = eval("document.image7s_31" + position);
   doc.src = imageFiles_7s_31[position][0];
}