var imageFiles_z_31 = new Array();
imageFiles_z_31['0'] = new Array ('_images/z_View_Cart.gif', '_images/z_View_CartMouseover.gif');
imageFiles_z_31['1'] = new Array ('_images/z_My_Account.gif', '_images/z_My_AccountMouseover.gif');

function image_on_z_31 (position) {
   var doc = eval("document.imagez_31" + position);
   doc.src = imageFiles_z_31[position][1];
}

function image_off_z_31 (position) {
   var doc = eval("document.imagez_31" + position);
   doc.src = imageFiles_z_31[position][0];
}