var imageFiles_iw_1 = new Array();
imageFiles_iw_1['0'] = new Array ('_images/iw_BALBOA.gif', '_images/iw_BALBOAMouseover.gif');

function image_on_iw_1 (position) {
   var doc = eval("document.imageiw_1" + position);
   doc.src = imageFiles_iw_1[position][1];
}

function image_off_iw_1 (position) {
   var doc = eval("document.imageiw_1" + position);
   doc.src = imageFiles_iw_1[position][0];
}