<script type="text/javascript">
(function ($) {

function manage(msg){
  var xmlpage=msg.split("splittabsids:");
  var i=xmlpage.length-1;
  while(i>=0){
    switch (xmlpage[i].substr(0,1)){
      case "r":
    $("#backtab").html(xmlpage[i].substr(1));
    break;
      case "b":
    $("#browsetab").html(xmlpage[i].substr(1));
    break;
      case "g":
    $("#gallerytab").html(xmlpage[i].substr(1));
/*        $('#gallerytab a').lightBox({fixedNavigation:true});*/
    break;
      default:;
    }
    i--;
  }
Drupal.attachBehaviors();
}

function sndReq(action) {
  $("#backtab").html("");
  $("#browsetab").html("CARICAMENTO...!");
  $("#gallerytab").html("");
  if(action){
    $.ajax({
      type: "POST",
      url: "/custom/scr/rpc.php",
      data: "dir="+action,
      success: manage
    });
  }
  else{
    $.ajax({
      type: "POST",
      url: "/custom/scr/rpc.php",
      success: manage
    });
  }
}

var parm="";
var gal="";
presel=<?php if(isset($_GET['presel'])) echo """.$_GET['presel']."";"; else echo """;";?>
if(presel!=""){
  var gal=presel;
}
var pathstring;
sndReq(gal);
})(jQuery);

</script>

echo "<a href="javascript:sndReq('".$file."')">".$file."</a><br>n";