function openWindow1(URL,name) {
        popupWin = window.open(URL, name, 'resizable=no,scrollbars=yes,width=540,height=450');
    }  

function openWindow2(URL,name) {
        popupWin = window.open(URL, name, 'resizable=no,scrollbars=yes,width=540,height=450');
    }