var imageFiles_do_1 = new Array();
imageFiles_do_1['0'] = new Array ('_images/do___Canton__MA.gif', '_images/do___Canton__MAMouseover.gif');
imageFiles_do_1['1'] = new Array ('_images/do___Springfield__MA.gif', '_images/do___Springfield__MAMouseover.gif');
imageFiles_do_1['2'] = new Array ('_images/do___Greer__SC.gif', '_images/do___Greer__SCMouseover.gif');
imageFiles_do_1['3'] = new Array ('_images/do___Lynchburg__VA.gif', '_images/do___Lynchburg__VAMouseover.gif');

function image_on_do_1 (position) {
   var doc = eval("document.imagedo_1" + position);
   doc.src = imageFiles_do_1[position][1];
}

function image_off_do_1 (position) {
   var doc = eval("document.imagedo_1" + position);
   doc.src = imageFiles_do_1[position][0];
}