JSCode all of Brower 全局屏蔽网页右键功能 具体实现

[javascript] 代码如下:[removed] function clickIE4(){         if (event.button==2){                 return false;         } } function clickNS4(e){         if (document.layers||document.getElementById&&!document.all){                 if (e.which==2||e.which==3){