jQuery iButton breaking AutoPostBack functionality

Im attempting to use iButton jQuery to style my checkboxes as switches (http://www.givainc.com/labs/ibutton_jquery_plugin.cfm)
In the $Document.Ready function i style all the checkboxes in the iButton theme. The markup as shown on the browser looks like this:
<input id="myappContent_chkUnassigned" type="checkbox" name="ctl00$myappContent$chkUnassigned" checked="checked" onclick="javascript:setTimeout('__doPostBack(\'ctl00$myappContent$chkUnassigned\',\'\')', 0)"> The final markup for the entire "Button" Div looks like this
<div class="ibutton-container"><input id="myappContent_chkUnassigned" type="checkbox" name="ctl00$myappContent$chkUnassigned" checked="checked" onclick="jav ...