禁用鼠标右键
类别: JavaScript教程 
function nocontextmenu()
{
event.cancelBubble = true
event.returnValue = false;
return false;
}
document.oncontextmenu = nocontextmenu; // for IE5+
{
event.cancelBubble = true
event.returnValue = false;
return false;
}
document.oncontextmenu = nocontextmenu; // for IE5+
