$(document).ready(function() { // jQuery 屏蔽右键
	$(document).bind("contextmenu", function(e) {
		return false;
	});
});
/***
$(document).ready(function() { // jQuery 屏蔽F5
	$(document).bind("keydown", function(e) {
		e = window.event || e;
		if (e.keyCode == 116) {
			e.keyCode = 0;
			return false;
		}
	});
});
$(document).ready(function() { // jQuery 屏蔽F7
	$(document).bind("keydown", function(e) {
		e = window.event || e;
		if (e.keyCode == 118) {
			e.keyCode = 0;
			return false;
		}
	});
});
$(document).ready(function() { // jQuery 屏蔽F11
	$(document).bind("keydown", function(e) {
		e = window.event || e;
		if (e.keyCode == 122) {
			e.keyCode = 0;
			return false;
		}
	});
});
**/
$(document).ready(function() { // jQuery 屏蔽F12
	$(document).bind("keydown", function(e) {
		e = window.event || e;
		if (e.keyCode == 123) {
			e.keyCode = 0;
			return false;
		}
	});
});