function disableSelection(target){
  if (typeof target.onselectstart!="undefined") //For IE
    target.onselectstart=function(){return false}
  else if (typeof target.style.MozUserSelect!="undefined") //For Firefox
    target.style.MozUserSelect="none"
  else //All other route (For Opera)
    target.onmousedown=function(){return false}
  target.style.cursor = "default"
}

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");