var imageFiles_1d3_1 = new Array();
imageFiles_1d3_1['0'] = new Array ('_images/1d3_Commercial.gif', '_images/1d3_CommercialMouseover.gif');

function image_on_1d3_1 (position) {
   var doc = eval("document.image1d3_1" + position);
   doc.src = imageFiles_1d3_1[position][1];
}

function image_off_1d3_1 (position) {
   var doc = eval("document.image1d3_1" + position);
   doc.src = imageFiles_1d3_1[position][0];
}