datatable script

if (typeof aTable=='undefined'){
       aTable = $("#unfinish").dataTable({
                     "bRetrieve"  : true,
                     "bServerSide": true,
                     "bProcessing": true,
                     "sAjaxSource": 'show_unfinish.php',
                     "bAutoWidth" : true,
                     "fnServerData": function (sSource,aoData,fnCallback){
                        aoData.push({"name":"date","value":$("#datepicker").val()});
                            aoData.push({"name":"line","value":$("#line").val()});
                            aoData.push({"name":"model","value":$("#model").val()});
                            aoData.push({"name":"lotno","value":$("#lotno").val()});
                            aoData.push({"name":"range","value":$("#range").val()});
                            aoData.push({"name":"error","value":$("#error").val()});
                            aoData.push({"name":"pic","value":$("#pic").val()});

                            $.ajax({
                                     "dataType":'json',
                                     "type":'POST',
                                     "url":sSource,
                                     "data":aoData,
                                     "success":function(json){
                                                               fnCallback(json);
                                                               }
                      });
                            },
                 "aaSorting"  : [[1,"desc"]],
                 "aoColumns"  : [
                                 /*Date*/  null,
                                 /*Line*/ null,
                                 /*Model*/null,
                                 /*Lotno*/null,
                                 /*Range*/null,
                                 /*Error*/null,
                                 /*PIC*/null
                                 ]
                   });
                        }else{
                                aTable.fnDraw();
                         }


//for another table setup
 $("tfoot input").keyup( function () {
                                /* Filter on the column (the index) of this element */
                                oTable.fnFilter( this.value, $("tfoot input").index(this) );
                                });

                /*
                 * Support functions to provide a little bit of 'user friendlyness' to the textboxes in
                 * the footer
                 */
                $("tfoot input").each( function (i) {
                                asInitVals[i] = this.value;
                                });

                $("tfoot input").focus( function () {
                                if ( this.className == "search_init" )
                                {
                                        this.className = "";
                                        this.value = "";
                                }
                        });

                $("tfoot input").blur( function (i) {
                                if ( this.value == "" )
                                {
                                        this.className = "search_init";
                                        this.value = asInitVals[$("tfoot input").index(this)];
                                }
                        });