var imageFiles_51cks_23 = new Array();
imageFiles_51cks_23['0'] = new Array ('_images/51cks_Home.gif', '_images/51cks_HomeMouseover.gif');
imageFiles_51cks_23['1'] = new Array ('_images/51cks_Walking_Tour.gif', '_images/51cks_Walking_TourMouseover.gif');
imageFiles_51cks_23['2'] = new Array ('_images/51cks_Members.gif', '_images/51cks_MembersMouseover.gif');
imageFiles_51cks_23['3'] = new Array ('_images/51cks_Calendar.gif', '_images/51cks_CalendarMouseover.gif');
imageFiles_51cks_23['4'] = new Array ('_images/51cks_Contact_Us.gif', '_images/51cks_Contact_UsMouseover.gif');

function image_on_51cks_23 (position) {
   var doc = eval("document.image51cks_23" + position);
   doc.src = imageFiles_51cks_23[position][1];
}

function image_off_51cks_23 (position) {
   var doc = eval("document.image51cks_23" + position);
   doc.src = imageFiles_51cks_23[position][0];
}