> var img_size="20%"
> Now, when I run the script, it stops with: img_size is not defined
You can't use double-quotes inside the onclick="..." handler because
the quotes are already used to surround the entire handler
definition. Use single quotes instead:
var img_size='20%';
... and, to add the "prompt for size":
var img_size=prompt('Enter image size','20%');
if (!img_size) return; /* cancelled by user */
enjoy,
-e
Eric Shulman
TiddlyTools / ELS Design Studios
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