function zoom (src, w, h) { var z_window = window.open('about:blank', z_window, 'left=' + ((screen.width - w)/2) + ',top=' + ((screen.height - h)/2 - 50) + ',width=' + (w+20) + ',height=' + (h+20)); z_window.document.write('Zoom'); z_window.document.write('
'); z_window.document.write('
'); z_window.focus(); }