var imageFiles_j_1 = new Array();
imageFiles_j_1['0'] = new Array ('_images/j__.gif', '_images/j__Mouseover.gif');

function image_on_j_1 (position) {
   var doc = eval("document.imagej_1" + position);
   doc.src = imageFiles_j_1[position][1];
}

function image_off_j_1 (position) {
   var doc = eval("document.imagej_1" + position);
   doc.src = imageFiles_j_1[position][0];
}