$(document).ready(function() {
$(document).bind("contextmenu",function(e) {
alert("sorry! No right-clicking!");
return false;
});
});

$(document).ready(function() {
$(document).bind("keydown",function(e){
e=window.event||e;
if(e.keyCode==116){
e.keyCode = 0;
return false;
}
});
});