var imageFiles_nw_23 = new Array();
imageFiles_nw_23['0'] = new Array ('_images/nw_Home.gif', '_images/nw_HomeMouseover.gif');
imageFiles_nw_23['1'] = new Array ('_images/nw_About_JustFly_.gif', '_images/nw_About_JustFly_Mouseover.gif');
imageFiles_nw_23['2'] = new Array ('_images/nw_Contact_Us.gif', '_images/nw_Contact_UsMouseover.gif');
imageFiles_nw_23['3'] = new Array ('_images/nw_Videos.gif', '_images/nw_VideosMouseover.gif');

function image_on_nw_23 (position) {
   var doc = eval("document.imagenw_23" + position);
   doc.src = imageFiles_nw_23[position][1];
}

function image_off_nw_23 (position) {
   var doc = eval("document.imagenw_23" + position);
   doc.src = imageFiles_nw_23[position][0];
}