// JavaScript Document


<!--
 //***********************½ûÖ¹ÓÒ¼ü***************************
if (window.Event) 
  document.captureEvents(Event.MOUSEUP); 
 
function nocontextmenu() 
{
 event.cancelBubble = true
 event.returnValue = false;
 
 return false;
}
 
function norightclick(e) 
{
 if (window.Event) 
 {
  if (e.which == 2 || e.which == 3)
   return false;
 }
 else
  if (event.button == 2 || event.button == 3)
  {
   event.cancelBubble = true
   event.returnValue = false;
   return false;
  }
}

//************************½ûֹѡÔñ***************************
function noSelect()
{
	return false;
}

//************************½ûÖ¹ÍÏÒ·***************************
function noDragstart()
{
  return false;	
}

//************************Çå¿Õ¼ôÇаå*************************
 function keyDown()
 {
  var iekey = event.keyCode; 
  //alert(iekey);
    if(iekey == 42)
    {
    //window.clipboardData.setData('img','')
	
	window.clipboardData.clearData();
    }
 } 

//-->

<!--½ûÖ¹ÍøÒ³Áí´æΪ-->

  document.oncontextmenu = nocontextmenu;
  document.onmousedown = norightclick;
  document.ondragstart = noDragstart;
  document.onselectstart = noSelect;
  document.onselect = document.selection.empty();
  document.onkeydown = keyDown;