JS窗口打开，区分分辨率同时可指定窗口大小

//窗口打开，区分分辨率同时可指定窗口大小function openwin(furl, width, height){height = height - 30;c_x = screen.width - width - 40;if (c_x > 0)    {    c_x = c_x / 2;    }else    {    c_x = 0;    }c_y = screen.height - height - 180;if (c_y > 0)    {    c_y = c_y / 2;    }else    {    c_y = 0;    }window.open(furl,            '',            "width=" + width + ",height=" + height + ",top=" + c_y + ",left=" + c_x                + ",resizable=yes,scrollbars=yes,status=yes,toolbar=no,menubar=no,location=no");}