var contentElement = document.createElement('span'); contentElement.id = 'mostpopularkeywords'; contentElement.innerHTML = '
Biomass Ethanol, Cellulose, Lignocellulose, Agriculture Biotechnology, Cellulosic Biomass, Biofuel, Biofuels, Automotive, Biodiesel, Biomass
'; var scriptElement = document.getElementById('scriptmostpopularkeywords'); scriptElement.parentNode.insertBefore(contentElement, scriptElement);