$("#hdselect").click(function(){
            $(".modal").html("");

            $.post('mediaservice.php',{hd:'ok',images:$("#hdimages").val()},function(data){
                $(".modal").append(data);
            });
            $(".modal").dialog({
                'modal':true,
                'title':"Click the image to select",
                'width':960,
                'height':600,
                'resizable':false,
                'show': {effect: 'drop', direction: "up"},
                'buttons': {"Ok": function() {
                        var hd=Array();
                        var hdval=$("#hdimages").val();
                        $("input[name='hd[]']:checked").each(function(){
                            hd.push($(this).val());
                        });
                        if(hdval!=''){
                            hdval=hdval+","+hd;
                        }else{
                            hdval=hd;
                        }
                        $("#hdimages").val(hdval);
                        var images=hdval;
                        $.post('mediaservice.php',{getHd:images},function(data){
                            $("#imgthumbBase").append(data);
                        });
                        $(this).dialog("close");
                    }
                }
            });
        });