var imageFiles_pt_1 = new Array();
imageFiles_pt_1['0'] = new Array ('_images/pt_More_Info.gif', '_images/pt_More_InfoMouseover.gif');

function image_on_pt_1 (position) {
   var doc = eval("document.imagept_1" + position);
   doc.src = imageFiles_pt_1[position][1];
}

function image_off_pt_1 (position) {
   var doc = eval("document.imagept_1" + position);
   doc.src = imageFiles_pt_1[position][0];
}