中国农业银行关闭和禁止右键

function closeww(){if ( confirm("是否确定要退出中国农业银行网上银行系统？") ){          //  top.location.href="LogonOut.aspx";//form1.submit();top.opener = null;top.closeOnLogout();//            window.open("LogonOut.aspx", "_self");}}function click(){        if (event.button==2) {       alert('无效操作')       }    }