jsBJLoaded = false;

function DoLoadBlackjack () {
  if (!jsHasImages)
    return;

  // Table variables
  jsStratNames = new Array("bs", "ac", "vs", "sd");
  jsStratTables = new Array(jsStratNames.length);

  // Preload images
  for (i = 0; i < jsStratNames.length; i++) {
    jsStratTables[jsStratNames[i]] = new Image();
    jsStratTables[jsStratNames[i]].src = '/images/blackjack/strat_'+jsStratNames[i]+'.gif';
  }

  // We're ready to go
  jsBJLoaded = true;
}

function DoStrategyChange (element) {
  if (!(jsHasImages && jsBJLoaded))
    return;

  strat = element.options[element.selectedIndex].value;
  top.document.images["bjstrat"].src = jsStratTables[strat].src;
}