function cabecera(desde,titulo){
 if(desde=="raiz"){
  ubicacion=".";
 }else{
  ubicacion="..";
 }

 document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="915" height="279" id="cabecera" align="middle">');
 document.write('<param name="allowScriptAccess" value="sameDomain" />');
 document.write('<param name="menu" value="false" />');
 document.write('<param name="movie" value="'+ubicacion+'/swf/cabecera.swf?desde='+desde+'&titulo='+titulo+'" /><param name="quality" value="high" /><param name="bgcolor" value="#4c4c4c" /><embed src="'+ubicacion+'/swf/cabecera.swf?desde='+desde+'&titulo='+titulo+'" quality="high" bgcolor="#4c4c4c" width="915" height="279" name="cabecera" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" menu="false" />');
 document.write('</object>');
}