var imageFiles_bv_1 = new Array();
imageFiles_bv_1['0'] = new Array ('_images/bv_Melbourne.gif', '_images/bv_MelbourneMouseover.gif');

function image_on_bv_1 (position) {
   var doc = eval("document.imagebv_1" + position);
   doc.src = imageFiles_bv_1[position][1];
}

function image_off_bv_1 (position) {
   var doc = eval("document.imagebv_1" + position);
   doc.src = imageFiles_bv_1[position][0];
}