Make sure you're specifying Content-Disposition: attachment so that they get the "open/save" dialog instead of opening the document within the browser. For IE users, you can also send X-Download-Options: noopen in the headers to hide the "Open" button, which should force them to save the file. http://blogs.msdn.com/b/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx[^]
"These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer