The result of the Quicktime detection is written to a session cookie (expires when the user closes their browser). The script can also be used on other pages because it checks for the existance of the cookie before attempting the detection. Storing the detection result in a cookie and referring to it cuts down on the overhead required to do a detection on every page (especially on Internet Explorer).
( Javascript 1.1 | ( JScript 2.0 & VBScript 2.0 ) | ECMAScript 1.0 ) & ( Netscape plugin architecture | MSIE ActiveX architecture )
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This script is released under a Creative Commons License.
