http://www.uwes.com.cn/js/prevent_copy.js

1var bindEvent = function(obj,ev,fun){
2	if(obj.attachEvent){
3		obj.attachEvent("on"+ev,fun);
4	}else{
5		obj.addEventListener(ev,fun);
6	}
7}
8function prevent_copy(){
9	$(document).bind("contextmenu",function(){return false;});
10	$(document).bind("selectstart",function(){return false;});
11	$(document).keydown(function(){return key(arguments[0])}); 
12	$(function(){
13		$('body').css('-moz-user-select','none');
14	});
15}
16	//°´¼üʱÌáʾ¾¯¸æ
17function key(e){
18	var keynum;						
19	if(window.event) keynum = e.keyCode;// IE                    
20	else if(e.which )  keynum = e.which; // Netscape/Firefox/Opera
21	if(e.ctrlKey && (keynum == 88 || keynum == 67)){ alert('·ÀÖ¹¸´ÖÆ£¡');return false;}
22}
23bindEvent(window,'load',prevent_copy);