$form:imap
If a visitor clicked on an image with attribute ISMAP, such a construction returns hash with fields x and y containing mouse click coordinates.
Example In file /go.html you write:
$clicked[$form:imap]
^if(def $clicked){
Visitor clicked on ISMAP link:<br />
x=$clicked.x<br />
y=$clicked.y<br />
}
In file /test.html you write:
<a href="/go.html?a=b"><img src="map.png" ismap /></a>
Open /test.html in your browser and click on the picture. You will go to…
/go.html?a=b?10,30
…and you will see…
Visitor clicked on ISMAP link:
x=10
y=30