var imageFiles_6_3 = new Array();
imageFiles_6_3['0'] = new Array ('_images/6_Home.gif', '_images/6_HomeMouseover.gif');
imageFiles_6_3['1'] = new Array ('_images/6_About_Us.gif', '_images/6_About_UsMouseover.gif');
imageFiles_6_3['2'] = new Array ('_images/6_Photo_Gallery.gif', '_images/6_Photo_GalleryMouseover.gif');
imageFiles_6_3['3'] = new Array ('_images/6_Charter_Schedule.gif', '_images/6_Charter_ScheduleMouseover.gif');

function image_on_6_3 (position) {
   var doc = eval("document.image6_3" + position);
   doc.src = imageFiles_6_3[position][1];
}

function image_off_6_3 (position) {
   var doc = eval("document.image6_3" + position);
   doc.src = imageFiles_6_3[position][0];
}