Windows XP SP2 and Windows Vista will not let you run JavaScript from your local hard drive or CD-ROM. This restriction can make it difficult to distribute interactive web pages for use on a local computer. When you launch a HTML page with JavaScript on your computer, Internet Explorer 6 and 7 will tell you that the page contains Active Content. You have to authorize the page to run “Active Content” each time it is loaded or you have to change the default settings in “Internet Options…”
Microsoft has provided a work around for this problem. The HTML author can add the “Mark of the Web” (MOTW) to each HTML document. The MOTW is a comment line included in the HTML code. Here is a sample:
<!-- saved from url=(0014)about:internet -->