var message="Kein Zugriff";
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("alert(message);return false")

function disablePaste(e)
{
var modif='';

if (!e)
{
if (event.altKey){ modif+='[ Alt ] '; }
if (event.ctrlKey) { modif+='[ Ctrl ] '; }
if (event.shiftKey) { modif+='[ Shift ] '; }
if (event.keyCode) { keycode=event.keyCode; }
else { keycode=event.which; }
}
else
{
if (e.altKey){ modif+='[ Alt ] '; }
if (e.ctrlKey) { modif+='[ Ctrl ] '; }
if (e.shiftKey) { modif+='[ Shift ] '; }
if (e.keyCode) { keycode=e.keyCode; }
else { keycode=e.which; }
}

if (modif.indexOf('[ Ctrl ]')>=0 && keycode == 86)
{ return false;}

if (modif.indexOf('[ Shift ]')>=0 && keycode == 45)
{ return false;}
}
document.onkeydown = disablePaste;