var contentElement = document.createElement('span'); contentElement.id = 'mostpopularkeywords'; contentElement.innerHTML = '
Epithelial Tumors, Diabetes, Cystic Fibrosis, Gene Delivery, HCV, Delivery, Diagnostics, Anti-Oxidant, Algorithm, Chronic Disease
'; var scriptElement = document.getElementById('scriptmostpopularkeywords'); scriptElement.parentNode.insertBefore(contentElement, scriptElement);