$(".sort tbody").sortable({
    update: function(event, ui) {

    	idnum= $(this).parent().attr('id');
    		idnum=idnum.split("-")
         var Order = $("#ordertable-"+idnum[1]+' tbody').sortable('toArray').toString();

         $('#orderinput-'+idnum[1]).val(Order); //injecting data into hidden html form (to allow simple POST saving via sending the form) NO AJAX

        // alert( $('#orderinput-'+idnum[1]).val());
    },
    	helper: fixHelper
    }).disableSelection();



<table class="sort borders tight" id="ordertable-<?=$d->id?>">
...
<input type="hidden" id="orderinput-<?=$d->id?>" name="orderinput-<?=$d->id?>">