var imageFiles_pz_4 = new Array();
imageFiles_pz_4['0'] = new Array ('_images/pz_Fixtures.gif', '_images/pz_FixturesMouseover.gif');

function image_on_pz_4 (position) {
   var doc = eval("document.imagepz_4" + position);
   doc.src = imageFiles_pz_4[position][1];
}

function image_off_pz_4 (position) {
   var doc = eval("document.imagepz_4" + position);
   doc.src = imageFiles_pz_4[position][0];
}