add custom alert to /teachers/classattendance.html

customalert_teachers_classattendance

<!-- Start of custom alert-->                                
    ~[tlist_sql;select CASE customalert WHEN 1 THEN '<a class="dialogDivC" title="customalert Student" href="#hiddenDivDialog"><img src="/images/alert_customalert.gif"></a>' ELSE '' END from ps.students s join ps.U_customalertDBextension i on s.DCID = i.STUDENTSDCID join ps.cc cc on cc.STUDENTID = s.ID where cc.id = '[ccid]';]~(studentid;)[/tlist_sql]
        <div id="hiddenDivDialog" class="hide"><div class="studentAlert" id="alert-customalert~(studentfrn)">
		<img class="alertImage" src="/images/alert_customalert.gif" />
		<div class="alertContent"><p class="alertHeader">customalert Student</p></div></div>
<!-- End of custom alert -->