Images as Hyperlink Anchors
As explained in Chapter 3, "XHTML 1.0 Element Reference," the <a> container element is used to create hypertext anchors. By clicking the hypertext, you instruct your browser to load the resource at the URL specified in the href attribute of the <a> element.
No law says that hyperlink anchors can only be text. You will often find images serving as anchors, as well. By linking images to other Web pages, you create a button-like effect—the user clicks the button and the browser loads a new page, submits a form, or performs some other action.
To use a graphic as a hyperlink anchor, put the <img /> element that places the graphic inside the <a> element:
<a href="http://www.warnerbrothers.com/"> <img src="daffy2.gif" width=100 ...
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