var message="This Function is Disabled!";

function clickIE4(){
if (event.button==2){
//alert(message);
return false;
}
}

function clickNS4(e){
if (document.layers||document.getElementById&&!document.all){
if (e.which==2||e.which==3){
//alert(message);
return false;
}
}
}

if (document.layers){
document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=clickNS4;
}
else if (document.all&&!document.getElementById){
document.onmousedown=clickIE4;
}

document.oncontextmenu=new Function("return false")

var message="Right-mouse click has been disabled.";
function click(e)
{
  if (document.all)
  {
    if (event.button==2||event.button==3)
    {
     // alert(message);
      return false;
    }
  }
  else
  {
    if (e.button==2||e.button==3)
    {
      e.preventDefault();
      e.stopPropagation();
      //alert(message);
      return false;
    }
  }
  if (!e.which)
  {
  //  alert("oops Opera?")
  }
}

if (document.all) // for IE
{
  document.onmousedown=click;
}
else // for FF
{
  document.onclick=click;
}