Cancel drop after drop event fired

[matt]

i have a TreeView that once the user drops the item to the desired position, it displays a dialog box and asks for confirmation, if the user selects cancel, how would i also cancel the placement of the item so it goes back to its original position? my current code is below but isnt working:

var newDiv = $(document.createElement('div'));

            newDiv.html('<p><span class="ui-icon ui-icon-circle-check" style="float:left; margin:0 7px 50px 0;"></span>Are you sure you want to move the item: ' + title + ' </p>');

            newDiv.dialog( {

                autoOpen: true,

                width: 600,

                buttons: {

                    "Save": function () {

                        $(this).dialog("close");

                    },

                    "Cancel": function () {

                        $(this).dialog("close");

 

                        e.setValid = false;

 

                    }

                }

            });