how to generate tinymce to ajax generated textarea

how to generate tinymce to ajax generated textarea Any help?

From stackoverflow

• If you show me your code, I may be able to help you better. However, You should be able to call this function and pass it the id of the Ajax generated TextArea.

  //add this to your Ajax callback that generates the TextArea
  //replace with the Id of the new textarea
  var myTextArea = document.getElementById("MyNewTextArea"); 
  generateTinyMCE(myTextArea);
  
  //Add this function to your script tag
  function generateTinyMCE(id) {
   if (!tinyMCE.get(id))
     tinyMCE.execCommand('mceAddControl', false, id);
   else
     tinyMCE.execCommand('mceRemoveControl', false, id);
  }