var imageFiles_np_4 = new Array();
imageFiles_np_4['0'] = new Array ('_images/np_Advent___Christmas_Items.gif', '_images/np_Advent___Christmas_ItemsMouseover.gif');
imageFiles_np_4['1'] = new Array ('_images/np_Lent___Easter_Items.gif', '_images/np_Lent___Easter_ItemsMouseover.gif');

function image_on_np_4 (position) {
   var doc = eval("document.imagenp_4" + position);
   doc.src = imageFiles_np_4[position][1];
}

function image_off_np_4 (position) {
   var doc = eval("document.imagenp_4" + position);
   doc.src = imageFiles_np_4[position][0];
}