var imageFiles_e3_4 = new Array();
imageFiles_e3_4['0'] = new Array ('_images/e3_Photo_Gallery.gif', '_images/e3_Photo_GalleryMouseover.gif');
imageFiles_e3_4['1'] = new Array ('_images/e3_Video_Gallery.gif', '_images/e3_Video_GalleryMouseover.gif');

function image_on_e3_4 (position) {
   var doc = eval("document.imagee3_4" + position);
   doc.src = imageFiles_e3_4[position][1];
}

function image_off_e3_4 (position) {
   var doc = eval("document.imagee3_4" + position);
   doc.src = imageFiles_e3_4[position][0];
}