Please note that JavaScript is currently only available in Netscape Navigator 2.0 or higher.
Do not assume that all in your audience are using a JavaScript enabled browser.
Example of a link displaying an alert dialog.
How to use:
Use something like this inside the contents of your page to create a link that will display an alert.
You can use the following Body tag:
<BODY onLoad="window.alert('Welcome!');">
to display an alert every time the page is loaded.