joomla car component fixes

we are looking for itmediatly availability to do this work. The site sales and rents car and was built using autostand 2.9 Basically are 2 fixes we want for this work. 1. We want to add a calendar in contact us form that appear in all listings. This Calendar must appear only in one category of the AUTOSTAND CATEGORIES. 2. the images are not opening in lightbox, only open in firefox, but lightbox is not working in chrome , internet explorer. we are looking for inmedialty availability for finish this work as soon as possible.