var imageFiles_hs_13 = new Array();
imageFiles_hs_13['0'] = new Array ('_images/hs_Home.gif', '_images/hs_HomeMouseover.gif');
imageFiles_hs_13['1'] = new Array ('_images/hs_Calendar_of_Events.gif', '_images/hs_Calendar_of_EventsMouseover.gif');

function image_on_hs_13 (position) {
   var doc = eval("document.imagehs_13" + position);
   doc.src = imageFiles_hs_13[position][1];
}

function image_off_hs_13 (position) {
   var doc = eval("document.imagehs_13" + position);
   doc.src = imageFiles_hs_13[position][0];
}