javascript to dynamically load content in a div

ajax load

<script type="text/javascript">
function replace_ajax_request() {
  $('#replace').html('<div class="column last loader"><div class "innerload"><div class="column loadbox"><p><img class="loadimg" src="path/to/ajax-loader.gif" class="center" width="100" height="100" /></p></div><div class="column loadbox"><p>src="path/to/ajax-loader.gif" class="center" width="100" height="100" /></p></div><div class="column last loadbox"><p>src="path/to/ajax-loader.gif" class="center" width="100" height="100" /></p></div></div></div>');
  $('#replace').load("replace.html");
}</script>