I received many great questions, but the most common by far was: How can I change an image on an HTML page when the user passes the mouse over it? There are two parts to this question: How to change the image, and when to change it.
How to Change It
<IMG src="logo50.gif" width="177" height="52">
Because there may be many image tags in a given page, we need a way to refer to one specific tag. We do this by assigning a unique name to this tag with the name keyword:
To change the value of a property, separate the name from the property you wish to change with a period. Thus, to change the logo in this example we'd use