function load_theme() {
  top.blog.location.href="http://"+document.select_theme.theme.value;
  update_info();
}

function previous_theme() {
  var current = document.select_theme.theme.selectedIndex;
  document.select_theme.theme.options[current-1].selected=true;
  load_theme();
}

function next_theme() {
  var current = document.select_theme.theme.selectedIndex;
  document.select_theme.theme.options[current+1].selected=true;
  load_theme();
}

function update_info() {
  new Ajax.Request('/info?theme='+document.select_theme.theme.value, {asynchronous:true, evalScripts:true});
}

Event.addBehavior({
  'a#upload:click': function() {
    var img = this.down('img');
    new FrameDialog.Rjs(top.nav, false);
    new FrameDialog.Rjs(top.blog, true);
    new Ajax.Request('/upload', {asynchronous:true, evalScripts:true});
  }
});