function popWin(loc)
        {
                popupWin=window.open(loc,"zoom_win",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=no,width=800,height=600');
                popupWin.focus();
        }
function popWinmural(loc)
        {
                popupWin=window.open(loc,"zoom_win",'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=no,width=620,height=435');
                popupWin.focus();
        }