How come the validator said that iframe is not a valid tag or can not be used with HTML 4.01 strict? I remember that I used in the past iframe without problem.
iframe is not defined in the HTML4.01 (or xhtml1.0) Strict DTD, so using it in a strict document is not valid. Period.
Whether it has worked "without problem" is not an indication of whether it is valid. There are millions of web pages that use invalid code and still "work" in most browsers.
If you want to use iframes, use a Transitional or Frameset doctype. For similar functionality in Strict, use object:
<object data="vide.htm" id="mframe" type="text/html" width="690" height="320">Text here for older browsers (perhaps a link to vide.htm)</object>
HTH -- Bert Doorn, Better Web Design http://www.betterwebdesign.com.au/ Fast-loading, user-friendly websites
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