var document = app.activeDocument;

$.writeln("Export With Pivot Point : Start Process");

for(l = 0; l < document.layers.length; l++)
{
    var currentLayer = document.layers[l];

    $.writeln("Layer Name :" + currentLayer.name);

    for(s = 0; s < currentLayer.symbolItems.length; s++)
    {
        var currentItem = currentLayer.symbolItems[s];

        currentItem.left = 0.01;//Number (prompt ("Enter X"));
        currentItem.top = 0.01;//Number (prompt ("Enter Y"));

        $.writeln("Current Item Position : " + currentItem.position);
    }
}