In DatePicker, is posible to show the <iframe fix for ie6 in other versions like ie7 and ie8?

In DatePicker, is posible to show the <iframe fix for ie6 in other versions like ie7 and ie8?

Hi,

I have  date picker the shows behind and object, but in ie6 works perfectly because of the fix for the z-index (IFrame ui-datepicker-cover) is posible to show the <iframe fix for ie6 in other versions like ie7 and ie8?

Thanks for reading.