function MyPopUpWin(site) {
            var iMyWidth;
            var iMyHeight;
            //half the screen width minus half the new window width (plus 5 pixel borders).
            iMyWidth = (window.screen.width / 2) - (75 + 10);
            //half the screen height minus half the new window height (plus title and status bars).
            iMyHeight = (window.screen.height / 2) - (100 + 50);
            //Open the window.
            var win2 = window.open("" + site + "", "Window2", "status=no,height=600,width=600,resizable=yes,left=" + iMyWidth + ",top=" + iMyHeight + ",screenX=" + iMyWidth + ",screenY=" + iMyHeight + ",toolbar=no,menubar=no,scrollbars=no,location=no,directories=no");
            win2.focus();
        }