dede自定义表单提交后的提示信息改弹窗提示并停留在当前页

function GetCkVdValue(){	@session_id($_COOKIE['PHPSESSID']);    @session_start();    return isset($_SESSION['securimage_code_value']) ? $_SESSION['securimage_code_value'] : '';}

/***_alert_back() 弹窗*@access public  表示函数对外公开*@return float 表示返回出来一个浮点数字*/function _alert_back($_info,$_url){  echo "<script type='text/javascript'>alert('$_info');window.location.href='$_url';</script>";}

$goto = !empty($cfg_cmspath) ? $cfg_cmspath : '/';

$goto = !empty($cfg_cmspath) ? $cfg_cmspath : $_SERVER["HTTP_REFERER"];

showmsg($bkmsg, $goto);

_alert_back($bkmsg,$goto)