buttn to insert html code

i have a text editor wich reads text frm database and i want to have a button that when i press it inserts some html code in the text editor...
 
eg button inserts this when pressed: and asks for title
 
<!-- HORIZONTAL DIVIDER WITH ICON AND TEXT --> <div class="table bottomhr smartdivider"> <div class="table-cell"> <i class="icon-user-add small coloredbottomhr"></i> </div> <div class="table-cell fullwidth"> </div> <div class="table-cell"> <p class="verysmall coloredbottomhr nobreak"><strong>test</strong></p> </div> </div> <!-- END OF HORIZONTAL DIVIDER WITH ICON AND TEXT --> is this possible?  
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