IPAD issue with TwinColSelect


Here is code:


TwinColSelect sample = new TwinColSelect();
for (int i = 0; i < 6; i++) {
sample.addItem(i);
sample.setItemCaption(i, "Option " + i);
}
sample.setRows(6);
sample.setNullSelectionAllowed(true);
sample.setMultiSelect(true);
sample.setImmediate(true);
sample.setLeftColumnCaption(“Available options”);
sample.setRightColumnCaption(“Selected options”);

Check in ipad or iphone
It doesn’t work in IPAD, but window browser works fine.
Anyone have any idea to solve this issue?