var contentElement = document.createElement('span'); contentElement.id = 'mostpopularkeywords'; contentElement.innerHTML = '
Diagnostics, Personalized Medicine, Respiratory Tract Diseases, Oncology, Pest control, Dermatology, Epigenetics, Melanoma, Paediatric Disease, Metastasis
'; var scriptElement = document.getElementById('scriptmostpopularkeywords'); scriptElement.parentNode.insertBefore(contentElement, scriptElement);