var imageFiles_dj_4 = new Array();
imageFiles_dj_4['0'] = new Array ('_images/dj_Installation_.gif', '_images/dj_Installation_Mouseover.gif');
imageFiles_dj_4['1'] = new Array ('_images/dj_Knockers.gif', '_images/dj_KnockersMouseover.gif');
imageFiles_dj_4['2'] = new Array ('_images/dj_Ringers.gif', '_images/dj_RingersMouseover.gif');

function image_on_dj_4 (position) {
   var doc = eval("document.imagedj_4" + position);
   doc.src = imageFiles_dj_4[position][1];
}

function image_off_dj_4 (position) {
   var doc = eval("document.imagedj_4" + position);
   doc.src = imageFiles_dj_4[position][0];
}