function inIframe(url) {

  var iframeContainer = document.getElementById('iframeContainer');

  document.getElementById('iframeContainer').style.height = '550px';

  if (document.getElementById('content')) {
    el = document.getElementById('content');
    
    el.parentNode.removeChild(el);
  }
  
  if(url) {

     iframeContainer.innerHTML = '<iframe id="iframeContent" src="'+url+'" frameborder="0" style="width: 100%; height: 550px;"></iframe>';

  }

}