Hover on the image showing irrelevant text

Hi,
I am having trouble with the page showing above. I will be very appreciated if someone can help. So , in our website, when we hover on a image , there is a text” Home 7″ pop up, which is irrelevant to our image title or alt text. It happens on every images. Can somebody help this out ? Thanks!!

Rick

The page I need help with: [log in to see the link]