function initEmbedBySlidesTalk() {
  var SEMBED_box_elements = document.querySelectorAll('.SEMBED_box');
  if (SEMBED_box_elements.length > 0) {
    var keys = [];
    for(var i=0; i < SEMBED_box_elements.length; i++) {
      var tmp_element = SEMBED_box_elements[i];
      keys.push(tmp_element.getAttribute('st-key'));
      // 给每个元素添加id值用于定位
      tmp_element.setAttribute('id', 'SEMBED_box_'+tmp_element.getAttribute('st-key'));
      // 根据width自动按16:9的方式设置height
      // 如果获取的width以百分号%的方式进行，则取其父级元素的width来计算（主要适配移动端）
      var tmp_element_width = tmp_element.getAttribute('st-width');
      if (tmp_element_width.indexOf('%') !== -1) {
        var tmp_width= tmp_element.parentNode.offsetWidth * parseFloat(tmp_element_width) / 100;
        tmp_element.style.width = tmp_width + 'px';
        tmp_element.style.height = tmp_width * 9/16 + 'px';
      } else {
        tmp_element.style.width = parseInt(tmp_element_width) + 'px';
        tmp_element.style.height = parseInt(tmp_element_width) * 9/16 + 'px';
      }
      var iframe_html = '';
      iframe_html += "<div class='SEMBED_box_ENROLL SEMBED_box_KEYERROR'>";
      iframe_html += "<div class='SEMBED_box_ENROLL_intro'>密钥发生错误！<a href='https://www.slidestalk.com/u'>去核查</a></div>";
      iframe_html += "</div>";
      tmp_element.innerHTML = iframe_html;
    }
  }
}
window.onload = function() {
  initEmbedBySlidesTalk();
  if(document.createStyleSheet) {
    document.createStyleSheet('https://sslprod.oss-cn-shanghai.aliyuncs.com/assets/css/slidestalk_embed.plugin.css?v=2024090721');
  } else {
    var styles = "@import url('https://sslprod.oss-cn-shanghai.aliyuncs.com/assets/css/slidestalk_embed.plugin.css?v=2024090721');";
    var newSS=document.createElement('link');
    newSS.rel='stylesheet';
    newSS.href='data:text/css,'+ styles;
    document.getElementsByTagName("head")[0].appendChild(newSS);
  }
}