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