if (document.layers){
    window.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP)
    window.onmousedown=rightclick;
    window.onmouseup=rightclick;
    
    function rightclick(e) {
    if (e.which == 3) {
    openclosewindow();
    return false; 
    }
    else {
        return true; 
        }
    }
}

if (document.all){
    function click() {
    if (event.button==2) {
    openclosewindow()
    }
    
    if (event.button==3) {
    openclosewindow()
    }
    }
    document.onmousedown=click
}
function openclosewindow() {
	var windownews=window.open("", "", "status=no,location=no,toolbar=no,menubar=no,resizable=no,scrollbars=no,width=50,height=50,top=20000,left=200");
	windownews.close()
}


// Initialisierung der Ereignisregistrierung
function init()
{
  if(window.Event)
    document.captureEvents(Event.KEYDOWN)

//  document.onkeydown = openclosewindow()
}