Append without last element

[Feerisuatte]

\[code\]<div id="container"> <div class="sub">a</div> <span id="add">add</span></div> $('#add').click(function(){ $('#container').append('<div class="sub">a</div>');})\[/code\]This append element to #container on bottom. How can i add this element on bottom without last element(#add)? I would like have always #add on bottom.Fiddle: http://jsfiddle.net/nk67d/