function alert(msg) {
  $('#alert')
    .jqmShow()
    .find('div.jqmAlertContent')
    .html("<table width='100%' border='0' cellspacing='0' cellpadding='0'><tr valign='middle'><td><font size='2'>" + msg + "</font></td></tr></table>")
    .end()
    .find(':submit:visible')
    .click(function() {
    	$('#alert').jqmHide();
    });
}
function confirm(msg,callback) {
  $('#confirm')
    .jqmShow()
    .find('p.jqmConfirmMsg')
    .html("<table width='100%' border='0' cellspacing='0' cellpadding='0'><tr valign='middle'><td><img src='../includes/modal/alerta.png' /></td><td><font size='2'>" + msg + "</font></td></tr>	</table>")
    .end()
    .find(':submit:visible')
    .click(function(){
        if(this.value == 'Sim')
          (typeof callback == 'string') ?
            window.location.href = callback :
            callback;
        $('#confirm').jqmHide();
    });
}