Disable CTRL+U with Dialog Box
http://blog.kangrian.com
by Rian .N Herdian
HTML
Silahkan Tekan [ CTRL+U ] Pada Keyboard anda! :)
<div id='controlu'><div id='controluinner'></div></div>
CSS
#controlu{position:fixed;top:0;left:0;right:0;bottom:0;z-index:9999;background:rgba(0,0,0,0.8);display:none;color:#000;text-align:center}#controlu a{color:#079aec}#controlu #controluinner{padding:10px;max-width:400px;height:60px;position:absolute;top:0;bottom:0;left:0;right:0;margin:auto;font:normal 13px/20px "Arial",sans-serif;background:#eee;border:10px solid #555;font-size:130%;}
JavaScript
function controlu(a){var e=document.getElementById("controlu");var h=document.getElementById("controluinner");var b="Haha, ketauan!! mau ngintip kan?? <img src='https://googledrive.com/host/0B7H_GQEvKCj1SmIxOXhHalV2ZVE/ngakak.gif'style='width:60px;height:50px;'/>";if(a.ctrlKey&&a.which==85){e.style.display="block";h.innerHTML=b;return false}}document.onkeydown=controlu;