How to Move UI button or any element in x and y axis specifically after creation?

//Below script generates Window,Panel with button

//I would like to move button/UI element in x and y axis to desired location

//Could someone please let me know to achieve it?

function myScript(thisObj){

    function myScript_buildUI(thisObj){

        var myPanel = (thisObj instanceof Panel) ? thisObj : new Window("palette", "tools",undefined ,{resizeable:true});

          var resAbout="panel{orientation:'row',\

                                          t1:Button{},\

                                           \

                                          \

                                          }";     

                myPanel.grp=myPanel.add(resAbout);

    myPanel.preferredSize=[500,200];

   myPanel.grp.preferredSize=[500,200];

           myPanel.grp.margins=2;

return myPanel;

}

var myScriptPal = myScript_buildUI(thisObj);

    if((myScriptPal != null) && (myScriptPal instanceof Window)) {

        myScriptPal.center();

        myScriptPal.show();

    }

}

      myScript(this);