// Preload nav rollovers
function preload_sf_radio_nav(fight) {
  if(document.images) {
	var rimgs = new Array();
	var lastRound = 1;
	if (fight == '1936') {
		lastRound = 12;
		rimgs[13] = new Image();
		rimgs[13].src = 'images/sf_radio_1936_nav_post_on.gif';
	}
	rimgs[0] = new Image();
	rimgs[0].src = 'images/sf_radio_' + fight + '_nav_pre_on.gif';
	for (var i = 1; i <= lastRound; i++) {
		rimgs[i] = new Image();
		rimgs[i].src = 'images/sf_radio_' + fight + '_nav_' + (i<10 ? '0' : '') + i + '_on.gif';
	}
  } // end if doc.im
}