//加入页面保护
    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 
function stopmouse(e) { 
		if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2))  
 		return false; 
      else if  
      (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3)) {  
 		alert("谢谢光临江西护理职业技术学院！   ：）");
		return false;  
 		}
		return true; 
      } 
      document.onmousedown=stopmouse;  
      if (document.layers) 
      window.captureEvents(Event.MOUSEDOWN); 
       window.onmousedown=stopmouse;