Other Uses for META Tags and the HTTP-EQUIV Attribute
You can also use the HTTP-EQUIV tag to set cookies. You can use an expiration date when setting the cookie so it stays until then, if you don't specify a date, the cookie will be lost when the user quits their browser. An example of setting a cookie is:
<META HTTP-EQUIV="Set-Cookie" CONTENT="cookievalue=xxx;expires=Wednesday, 29-Dec-99 13:14:26 GMT; path=/">
Another useful function of META tags is to force the window to the top of all windows, helping it escape from frames. A META tag like this would accomplish this function:
<META HTTP-EQUIV="Window-target" CONTENT="_top">
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