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Church Of The
Swimming Elephant

7.6. Image Maps Connected: An Internet Encyclopedia
7.6. Image Maps

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7.6. Image Maps

7.6. Image Maps

If the ISMAP attribute is present on an <IMG> element, the <IMG> element must be contained in an <A> element with an HREF present. This construct represents a set of hyperlinks. The user can choose from the set by choosing a pixel of the image. The user agent computes the head URI by appending `?' and the x and y coordinates of the pixel to the URI given in the <A> element. For example, if a document contains:

   <head><title>ImageMap Example</title>
   <BASE HREF="http://host/index"></head>
   <p> Choose any of these icons:<br>
   <a href="/cgi-bin/imagemap"><img ismap src="icons.gif"></a>

and the user chooses the upper-leftmost pixel, the chosen hyperlink is the one with the URI `http://host/cgi-bin/imagemap?0,0'.

Next: 8. Forms

Connected: An Internet Encyclopedia
7.6. Image Maps


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