var imageFiles_4z_4 = new Array();
imageFiles_4z_4['0'] = new Array ('_images/4z_Home.gif', '_images/4z_HomeMouseover.gif');
imageFiles_4z_4['1'] = new Array ('_images/4z_About_Us.gif', '_images/4z_About_UsMouseover.gif');
imageFiles_4z_4['2'] = new Array ('_images/4z_Contact_Us.gif', '_images/4z_Contact_UsMouseover.gif');
imageFiles_4z_4['3'] = new Array ('_images/4z_Feedback.gif', '_images/4z_FeedbackMouseover.gif');
imageFiles_4z_4['4'] = new Array ('_images/4z_FAQ.gif', '_images/4z_FAQMouseover.gif');
imageFiles_4z_4['5'] = new Array ('_images/4z_Catalog.gif', '_images/4z_CatalogMouseover.gif');
imageFiles_4z_4['6'] = new Array ('_images/4z_Shopping_Cart.gif', '_images/4z_Shopping_CartMouseover.gif');
imageFiles_4z_4['7'] = new Array ('_images/4z_Support.gif', '_images/4z_SupportMouseover.gif');

function image_on_4z_4 (position) {
   var doc = eval("document.image4z_4" + position);
   doc.src = imageFiles_4z_4[position][1];
}

function image_off_4z_4 (position) {
   var doc = eval("document.image4z_4" + position);
   doc.src = imageFiles_4z_4[position][0];
}