var clickmessage="BESITZ VON CLARENCE CASTLE!" 
        function disableclick(ev) 
        {if (document.all) 
        {if (event.button==2 || event.button==3) 
        {if (event.srcElement.tagName=="IMG") 
        {alert(clickmessage); 
        return false;}}} 
        if (document.layers) 
        {if (ev.which==3) 
        {alert(clickmessage); 
        return false;}}} 
        function associateimages() 
        {for (i=0;i<document.images.length;i++) 
        document.images[i].onmousedown=disableclick} 
        if (document.all) 
        document.onmousedown=disableclick 
        else if (document.layers) 
        associateimages()