var imageFiles_7o_3 = new Array();
imageFiles_7o_3['0'] = new Array ('_images/7o_ARLINGTON__DIRECTIONS.gif', '_images/7o_ARLINGTON__DIRECTIONSMouseover.gif');
imageFiles_7o_3['1'] = new Array ('_images/7o_MELROSE_DIRECTIONS.gif', '_images/7o_MELROSE_DIRECTIONSMouseover.gif');

function image_on_7o_3 (position) {
   var doc = eval("document.image7o_3" + position);
   doc.src = imageFiles_7o_3[position][1];
}

function image_off_7o_3 (position) {
   var doc = eval("document.image7o_3" + position);
   doc.src = imageFiles_7o_3[position][0];
}