var imageFiles_e3_1 = new Array();
imageFiles_e3_1['0'] = new Array ('_images/e3_Springfield__Massachusetts.gif', '_images/e3_Springfield__MassachusettsMouseover.gif');

function image_on_e3_1 (position) {
   var doc = eval("document.imagee3_1" + position);
   doc.src = imageFiles_e3_1[position][1];
}

function image_off_e3_1 (position) {
   var doc = eval("document.imagee3_1" + position);
   doc.src = imageFiles_e3_1[position][0];
}