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