var imageFiles_6_9 = new Array();
imageFiles_6_9['0'] = new Array ('_images/6_Home.gif', '_images/6_HomeMouseover.gif');
imageFiles_6_9['1'] = new Array ('_images/6_About_Us.gif', '_images/6_About_UsMouseover.gif');
imageFiles_6_9['2'] = new Array ('_images/6_Photo_Gallery.gif', '_images/6_Photo_GalleryMouseover.gif');
imageFiles_6_9['3'] = new Array ('_images/6_Charter_Schedule.gif', '_images/6_Charter_ScheduleMouseover.gif');

function image_on_6_9 (position) {
   var doc = eval("document.image6_9" + position);
   doc.src = imageFiles_6_9[position][1];
}

function image_off_6_9 (position) {
   var doc = eval("document.image6_9" + position);
   doc.src = imageFiles_6_9[position][0];
}