function winopen(){
        win = window.open("cal_pop.htm", "newWin", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=yes,width=600,height=260")
        startTime()
}
function startTime(){
        var time= new Date();
        hours= time.getHours();
        mins= time.getMinutes();
        secs= time.getSeconds();
        closeTime=hours*3600+mins*60+secs;
        closeTime+=35; // Amount of time that the window stays open in seconds
        Timer();
}
function Timer(){
        var time= new Date();
        hours= time.getHours();
        mins= time.getMinutes();
        secs= time.getSeconds();
        curTime=hours*3600+mins*60+secs
        if (curTime>=closeTime){
                if (win.closed == false){
                        win.close()}}
        else{
                window.setTimeout("Timer()",1000)}
}