I came across a situation recently where the skype extension for firefox was messing up the layout of a page. Basically the page looked fine in all major browsers, however when you opened it up in firefox with the skype extension for firefox enabled it messed with the formatting of the page. If you have the same problem you can fix it simply by adding the following meta tag to your page:
<meta name=”SKYPE_TOOLBAR” content=”SKYPE_TOOLBAR_PARSER_COMPATIBLE” />
this effectively just blocks the skype extension from working. Once you have done this only phone numbers formatted with tags as follows will be recognised by the skype exxtension:
