BuyButton = new function() {
  var SERVER_URL = 'http://www.digital-tunes.net'
  var IMAGE_URL = 'http://images.digital-tunes.net'
  var ROOT = 'dt_buy_button';

  function requestContent( local ) {
    var script = document.createElement('script');
    // How you'd pass the current URL into the request
    // script.src = CONTENT_URL + '&url=' + escape(local || location.href);
    script.src =  SERVER_URL + '/api/' + _dt_button_type + '/'+ _dt_cat_id;
    //alert(script.src);
    document.getElementsByTagName('head')[0].appendChild(script);
  }

  this.setPermalink = function(permalink, image) {
    if (!permalink) return;
    var div = document.getElementById(ROOT);
    var noImage = false;
    if( image == null){
      noImage = true;
      image = IMAGE_URL + '/buy-now-pink.png';
    }
    div.innerHTML = "<a href=\"" + permalink + "\" style=\"\"><img src=\"" + image + "\" style=\"margin-right : 5px; border : 0\"/>" + (noImage ? '' : "<img src=\"" + IMAGE_URL +"/buy_now.png\" style=\"border : 0\"/>") +"</a>";  // assign new HTML into #ROOT
    //alert(div.innerHTML);
    div.style.display = 'block'; // make element visible
    div.style.visibility = 'visible'; // make element visible
    div.style.background = 'white';
  }

  document.write("<div id='" + ROOT + "' style='display: none;'></div>");
  requestContent();
  var no_script = document.getElementById('no_script');
  if (no_script) { no_script.style.display = 'none'; }
}

//style=\"border : 1px dotted gray\" onmouseover=\"this.style.border = '1px solid gray';\" onmouseout=\"this.style.border = '1px dotted gray';\"