var images = new Array(4);
 
images[0] = "../images/normal_black_front.gif";
images[1] = "../images/normal_black_back.gif";
images[2] = "../images/normal_white_front.gif";
images[3] = "../images/normal_white_back.gif";
 
for (i=0; i < images.length; i++) {
  var preload = new Image();
  preload.src = images[i];
}
 
function swap(name, state) {
  document.images[name].src = "images/" + name + "_" + state + ".gif";
} 
 
function st(msg) {
  window.status = msg;
}

function openImg(url, title, features) {
  imgWindow = window.open('', '', features);
  imgWindow.document.write("<html>\n");
  imgWindow.document.write("<head>\n  <title>" + title + "</title>\n</head>\n");
  imgWindow.document.write("<body marginwidth='0' marginheight='0' topmargin='0' leftmargin='0' rightmargin='0' bottommargin='0' bgcolor='#000000'>\n");
  imgWindow.document.write("  <center><img onclick='window.close();' src='" + url + "' alt='Click window to close.'></center>\n</body>\n</html>");
}

function openWindow(url, name, features) {
  window.open(url, name, features);
}


