Web Scrapping needed from a classified website

I need web scrapping of phone number from classified ad webpages. I have a xml file which has a list of 8799 URLs from which I need to scrap phone number of each ad. Please note the phone number on page can only be reveal if clicking on the phone link. So it's hidden under javascript. Here is an EXAMPLE of URL from which I need phone number scrapped: - [login to view URL] - On right hand side if you click on first digit phone number should reveal the full number which needs copied and pasted in my xml. Please see print screen to understand! Thanks