var imageFiles_r3_1 = new Array();
imageFiles_r3_1['0'] = new Array ('_images/r3_Teen_Group.gif', '_images/r3_Teen_GroupMouseover.gif');

function image_on_r3_1 (position) {
   var doc = eval("document.imager3_1" + position);
   doc.src = imageFiles_r3_1[position][1];
}

function image_off_r3_1 (position) {
   var doc = eval("document.imager3_1" + position);
   doc.src = imageFiles_r3_1[position][0];
}