Using the Mesa Library catalog

Have you given up on being able to do a search in the Mesa Library catalog from our library?  Try using Firefox instead of Internet Explorer; it seems to work.  It's the icon in the Quick Launch bar that looks like this:

I thought it was an issue of our blocking the port they're using, but it doesn't make sense to me why this would work.  Maybe Dan will see this and comment. . . ?  :-)