var imageFiles_b2_1 = new Array();
imageFiles_b2_1['0'] = new Array ('_images/b2_Home.gif', '_images/b2_HomeMouseover.gif');
imageFiles_b2_1['1'] = new Array ('_images/b2_About_Us.gif', '_images/b2_About_UsMouseover.gif');
imageFiles_b2_1['2'] = new Array ('_images/b2_Join_Us.gif', '_images/b2_Join_UsMouseover.gif');
imageFiles_b2_1['3'] = new Array ('_images/b2_Make_a_Gift.gif', '_images/b2_Make_a_GiftMouseover.gif');
imageFiles_b2_1['4'] = new Array ('_images/b2_Contact_Us.gif', '_images/b2_Contact_UsMouseover.gif');

function image_on_b2_1 (position) {
   var doc = eval("document.imageb2_1" + position);
   doc.src = imageFiles_b2_1[position][1];
}

function image_off_b2_1 (position) {
   var doc = eval("document.imageb2_1" + position);
   doc.src = imageFiles_b2_1[position][0];
}