Adding text into a text area

[hmsnacker123]

Hi, i have an issue: basiclly i have 2 images when you click on one i want it to insert into the corrosponding textbox: <div class="imgtxt"></div>, but with the other image i want it to say (when clicked): <span class="dogs"></span> , thank's in advance.

[tech_support]

document.getElementById([element ID]).innerHTML = "text only..."