Inline frames are very important to learn for web designing..
you can check out that how inline frame looks by running inline frame on your page. Syntax for inline frames is :<iframe src="url" [attributes] > </iframe>
Possible attributes for iframe tag are:
1 : frameborder : set the frameborder value .you may select it as 0.
2 : scrolling : set "yes" if you wants scrolling and set "no" if you don't want scrolling.
3 : width : set the width of your iframe displayed.
4 : height : set the required height for you iframe.
5 : marginheight : set the height of margin required.
6 : marginwidth : set marginwidth as required.
7 : topmargin : set topmargin as required.
8 : leftmargin : set leftmargin as required.
now you can create your own iframe anytime you need. An iframe from my under construction site is shown below-