how to make own crop marks in indesign CS5

HaloMaster..
Iwant tomake ascripcropmarkownusejavascrip..cropmarkstandardInDesignonly

butIwant toadd acolorbaritselfusingPDFFile
Ihaveadded ascrip

function myDisplayDialog(){

    var myDialog = app.dialogs.add({name:"CropMarks"});

    with(myDialog){

//---------------------yazh---------------------------------

with(dialogColumns.add()){

            var myColorBarGroup = enablingGroups.add({staticLabel:"Color Bar", checkedState:true});

            with (myColorBarGroup){

                with(borderPanels.add()){

                    staticTexts.add({staticLabel:"Options:"});

                    with (dialogColumns.add()){

                          var myAllColorlesCheckbox = checkboxControls.add({staticLabel:"&All", checkedState:true});

                    var myTBColorCheckbox = checkboxControls.add({staticLabel:"&Top,Bottom", checkedState:false});

                    var myLRColorCheckbox = checkboxControls.add({staticLabel:"&Left,Right", checkedState:false});

                 }

                }

            }

        }

//---------------------yazh---------------------------------      

and..

var myReturn = myDialog.show();

    if (myReturn == true){

        //Get the values from the dialog box.

         //---------------------yazh---------------------------------   

        var myDoColorBar = myColorBarGroup.checkedState;

        var myColorBarAllColor = myColorBarGroup.checkedState;

        var myColorBarTBColor = myColorBarGroup.checkedState;

        var myColorBarLRColor = myColorBarGroup.checkedState;

         //---------------------yazh---------------------------------   

so thedisplay becomes

getthemasterto helpmeadd ascripforcallinga PDFfileandadjustthearea,such as

please help methemaster
I ama beginner..

Thank you

YazhiMyi