var imageFiles_z1_7 = new Array();
imageFiles_z1_7['0'] = new Array ('_images/z1_HOME.gif', '_images/z1_HOMEMouseover.gif');
imageFiles_z1_7['1'] = new Array ('_images/z1_HISTORY.gif', '_images/z1_HISTORYMouseover.gif');
imageFiles_z1_7['2'] = new Array ('_images/z1_SHIPPING_POLICIES.gif', '_images/z1_SHIPPING_POLICIESMouseover.gif');
imageFiles_z1_7['3'] = new Array ('_images/z1_CONTACT_US.gif', '_images/z1_CONTACT_USMouseover.gif');

function image_on_z1_7 (position) {
   var doc = eval("document.imagez1_7" + position);
   doc.src = imageFiles_z1_7[position][1];
}

function image_off_z1_7 (position) {
   var doc = eval("document.imagez1_7" + position);
   doc.src = imageFiles_z1_7[position][0];
}