var imageFiles_51cks_41 = new Array();
imageFiles_51cks_41['0'] = new Array ('_images/51cks_Home.gif', '_images/51cks_HomeMouseover.gif');
imageFiles_51cks_41['1'] = new Array ('_images/51cks_About_Us.gif', '_images/51cks_About_UsMouseover.gif');
imageFiles_51cks_41['2'] = new Array ('_images/51cks_FAQ.gif', '_images/51cks_FAQMouseover.gif');
imageFiles_51cks_41['3'] = new Array ('_images/51cks_Customer_Service.gif', '_images/51cks_Customer_ServiceMouseover.gif');
imageFiles_51cks_41['4'] = new Array ('_images/51cks_Contact_Us.gif', '_images/51cks_Contact_UsMouseover.gif');

function image_on_51cks_41 (position) {
   var doc = eval("document.image51cks_41" + position);
   doc.src = imageFiles_51cks_41[position][1];
}

function image_off_51cks_41 (position) {
   var doc = eval("document.image51cks_41" + position);
   doc.src = imageFiles_51cks_41[position][0];
}