var url = 'http://www.arttuba.com/przycisk?url='+document.URL;
function write_przycisk_arttuba_iframe() { 
	var span = document.getElementById("przycisk_arttuba");
	span.innerHTML='<iframe width="80" height="30" scrolling="no" frameborder="0" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" src="'+url+'"></iframe>';
}
document.write('<span id="przycisk_arttuba" style="width: 80px; height: 30px; border: none; padding: 0; margin: 0; background: transparent;"><script type="text/javascript">setTimeout("write_przycisk_arttuba_iframe()", 200)</script></span>');