var imageFiles_y_511 = new Array();
imageFiles_y_511['0'] = new Array ('_images/y_Home.gif', '_images/y_HomeMouseover.gif');
imageFiles_y_511['1'] = new Array ('_images/y_About_Us.gif', '_images/y_About_UsMouseover.gif');
imageFiles_y_511['2'] = new Array ('_images/y_Request_Form.gif', '_images/y_Request_FormMouseover.gif');
imageFiles_y_511['3'] = new Array ('_images/y_Contact_Us.gif', '_images/y_Contact_UsMouseover.gif');
imageFiles_y_511['4'] = new Array ('_images/y_Price_List.gif', '_images/y_Price_ListMouseover.gif');
imageFiles_y_511['5'] = new Array ('_images/y_Announcements.gif', '_images/y_AnnouncementsMouseover.gif');
imageFiles_y_511['6'] = new Array ('_images/y_Promotions.gif', '_images/y_PromotionsMouseover.gif');
imageFiles_y_511['7'] = new Array ('_images/y_Careers.gif', '_images/y_CareersMouseover.gif');

function image_on_y_511 (position) {
   var doc = eval("document.imagey_511" + position);
   doc.src = imageFiles_y_511[position][1];
}

function image_off_y_511 (position) {
   var doc = eval("document.imagey_511" + position);
   doc.src = imageFiles_y_511[position][0];
}