Jquery Validation Date Picker

I'm working on this site:

I am using Jquery calender plugin along with Tabs and Jquery Validation.js.

It work开发者_如何学运维s all smoothly, but if you click on the second tab over on the top it shows the calender from the first page. For an example click 2.Promotion.

As Start_date is mandatory Validation.js highlights the Start_date causing calender to pop up.

I have tried but wasn't able to stop this from happening. Can you suggest a way to solve this?

You can view the site here.

Badly struck

Quick fix;

hide the date picker when tab 2 is clicked;

i.e on click of tab2:

document.getElementById("ui-datepicker-div").style.display='none';