var imageFiles_2a_7 = new Array();
imageFiles_2a_7['0'] = new Array ('_images/2a_Party_Photos.gif', '_images/2a_Party_PhotosMouseover.gif');

function image_on_2a_7 (position) {
   var doc = eval("document.image2a_7" + position);
   doc.src = imageFiles_2a_7[position][1];
}

function image_off_2a_7 (position) {
   var doc = eval("document.image2a_7" + position);
   doc.src = imageFiles_2a_7[position][0];
}