/**
 * Replaces document.getElementById to ensure cross-browser compatibility
 *
 * @param divId name of element
 * @param html content that will replace current element content
 *
 * @return 
 */
 function changeInnerHTML(divId,html){
 if (document.getElementById) {
       document.getElementById(divId).innerHTML= html;
 }else{
     document.layers[divId].document.open();
     document.layers[divId].document.write(html);
     document.layers[divId].document.close();
 }
}