<input type=submit name='volver' onClick="javascript:history.go(-1)" value='Volver' style="border:0px solid; color:#FFFFFF; background-color:#005B99" title="Volver formulario Principal">
<input type=submit name='volver' onClick="javascript:history.go(-1)" value='Volver' style="border:0px solid; color:#FFFFFF; background-color:#005B99" title="Volver formulario Principal">
