禁止鼠标右键的JS代码

<script language="JavaScript">
<!--

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;
 }

}

document.oncontextmenu = nocontextmenu; // for IE5+
document.onmousedown = norightclick; // for all others
//-->
</script>

				

<SCRIPT language=JavaScript>

document.oncontextmenu=new Function("event.returnValue=false;");
document.onselectstart=new Function("event.returnValue=false;");

</SCRIPT>
		

<script type="text/javascript">

var omitformtags=["input", "textarea", "select"]
omitformtagsomitformtags=omitformtags.join("|")
function disableselect(e)...{
if (omitformtags.indexOf(e.target.tagName.toLowerCase())==-1)
return false
}
function reEnable()...{
return true
}
if (typeof document.onselectstart!="undefined")
document.onselectstart=new Function ("return false")
else...{
document.onmousedown=disableselect
document.onmouseup=reEnable
}

</script>