//禁止CTRL键
 function rf()
      {return false; }
    document.oncontextmenu = rf
    function keydown()
      {if(event.ctrlKey ==true || event.keyCode ==93 || event.shiftKey ==true){return false;} }
      document.onkeydown =keydown
    function drag()
      {return false;}
    document.ondragstart=drag 
//禁止鼠标右键盘
       var message="";
///////////////////////////////////
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if 
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers) 
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}
document.oncontextmenu=new Function("return false")