Tip

Rotating Images Using Javascript

This bit of JavaScript will rotate 3 images. The page needs to be loaded with
the starting image eg.

<IMG SRC="../lvwAttachments/Image1/$File/Image1.jpg" BORDER=0>

In this example the images are file attachments located in other documents in
the same database, and we refer to them by looking in a view called
lvwAttachments. This example changes the first image on the page - to change a
different image just change the array index. The interval is specified in
milliseconds - in this case 10000 or 10 seconds.

It doesn't really waste bandwidth as once all the images have been cached the
browser doesn't need to contact the server again.
<SCRIPT LANGUAGE="JavaScript">
<!-- Hide

var linkx = new Array(3);
linkx[1] = "../lvwAttachments/Image1/$File/Image1.jpg";
linkx[2] = "../lvwAttachments/Image2/$File/Image2.jpg";
linkx[3] = "../lvwAttachments/Image3/$File/Image3.jpg";
var cnt=0;

function changeImg(cnt){
window.document.images[1].src=linkx[cnt];
}

window.setInterval("cnt++; changeImg(cnt); if (cnt==3){cnt=0}", 10000);

// end hide -->
</SCRIPT>

This was first published in November 2000

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