{popup}
is an integration of
overLib, a library used for popup
windows. These are used for context sensitive information, such as
help windows or tooltips.
{popup_init} must be called only once,
preferably within the <head> tag
within any page you plan on using the {popup} function.
The path is relative to the executing script or a fully qualified domain
path, ie not the relative to the template.
<head>
{* popup_init must be called once at the top of the page *}
{popup_init src='javascripts/overlib/overlib.js'}
{* fully qualified url example *}
{popup_init src='http://myserver.org/my_js_libs/overlib/overlib.js'}
</head>
// the first example will output
<head>
<div id="overDiv" style="position:absolute; visibility:hidden; z-index:1000;"></div>
<script type="text/javascript" language="JavaScript" src="javascripts/overlib/overlib.js"></script>
</head>
XHTML validation: The {popup_init} does not validate with
strict and you will get the error
document type does not allow element "div" here;
(ie a <div> tag in the <head>).
This means you will need to include the <script> and
<div> tags manually.
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