var imageFiles_vs_25 = new Array();
imageFiles_vs_25['0'] = new Array ('_images/vs_Home.gif', '_images/vs_HomeMouseover.gif');
imageFiles_vs_25['1'] = new Array ('_images/vs_Contact_Us.gif', '_images/vs_Contact_UsMouseover.gif');
imageFiles_vs_25['2'] = new Array ('_images/vs_Support_NAFSC.gif', '_images/vs_Support_NAFSCMouseover.gif');
imageFiles_vs_25['3'] = new Array ('_images/vs_NAFSC_Calendar.gif', '_images/vs_NAFSC_CalendarMouseover.gif');

function image_on_vs_25 (position) {
   var doc = eval("document.imagevs_25" + position);
   doc.src = imageFiles_vs_25[position][1];
}

function image_off_vs_25 (position) {
   var doc = eval("document.imagevs_25" + position);
   doc.src = imageFiles_vs_25[position][0];
}