@@-- $1-$n the tag node ID in the DOM tree where the action must be placed

<script type="text/javascript">
   var list = [];

@@IF@@ @_$1_@ /= ""
   list.push("@_$1_@");
@@END_IF@@
@@IF@@ @_$2_@ /= ""
   list.push("@_$2_@");
@@END_IF@@
@@IF@@ @_$3_@ /= ""
   list.push("@_$3_@");
@@END_IF@@
@@IF@@ @_$4_@ /= ""
   list.push("@_$4_@");
@@END_IF@@
@@IF@@ @_$5_@ /= ""
   list.push("@_$5_@");
@@END_IF@@

   list.each (function (item) {
      Sortable.create(item,
   	{dropOnEmpty:true,containment:list,constraint:false});
      var elm = document.getElementById (item);
      elm.style.cursor = 'move';
    });
</script>