Internet Explorer and Netscape Navigator both support tags that adjust the style of the borders that surround frames. Although they have the same functions, the attributes are slightly different for each browser.
Netscape uses the frameborder attribute to toggle between
3D borders and simple rules for borders. The default is to
use 3D borders; a value of no gives simple borders. This attribute can be
placed in either the <frameset> tag or in a <frame> tag. A setting
in an individual <frame> overrides an outer <frameset> setting.
You can also set the color of the borders in both <frameset> and
<frame> with the bordercolor attribute.
In the <frameset> tag, you can set the width of the borders in a
whole frameset with the border attribute. The default width
is 5 pixels. To achieve borderless frames in Netscape, set
border=0 and frameborder=no.
Internet Explorer does all the same things, only with different
attributes. It also uses frameborder in the <frameset>
and <frame> tags, but the values are 1 for 3D borders
and 0 for simple ones. In the <frameset> tag, you can set the
amount of space between frames with the framespacing attribute.
By setting framespacing=0 and frameborder=0, you
can achieve borderless frames.
Another feature in Internet Explorer is the floating frame.
This has all the abilities that a regular frame does, but it
is placed within a document like an <img> would be. The tag for
a floating frame is <iframe>, and it requires a closing tag. The
attributes include all of the regular <frame> attributes, and the
sizing, alignment, and placement attributes of <img>.
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