FTP problems- please help!

In the past two or three days I’ve been unable to connect to my website to upload anything… I’ve been using Dreamweaver -it’s worked fine for me in the past, but lately I’ve been getting the error message, “An FTP error occurred -cannot make connection to host” whenever I try to connect… I also can’t connect to my site via the webpanel here at dreamhost… I contacted support yesterday and they still haven’t replied to me… I was hoping that someone here might be able to help me out… this problem is driving me stark raving mad! >__<