Sometimes is necessary to create pdf documents with an expiration date or with a warning after a certain date.
Adobe have a professional server solution called 'LiveCycle Rights Management ES', to respond to this requirement and many others.
The follow javascript simply test, on the event 'page open', if the current system date is major or equal to a defined date and in this case popup an alert.

//----------------------------------------------------------------------
// --- start edit expiration date ---
 var lastDay=28
 var lastMonth=5
 var lastYear=2009
// --- end edit expiration date ---
 var sessione
 var today=new Date();
 var myDate=new Date();
 lastMonth=lastMonth-1;
 myDate.setFullYear(lastYear,lastMonth,lastDay);
 if (myDate<=today && sessione!=1)
 {
    app.alert("The current document may be up to date\r\nverify a new version on http://www.root-path.net", 1, 0, "ALERT");
    sessione=1;
 }
//---------------------------------------------------------------------

To set a page action you must have a professional version of Adobe Acrobat and follow this steps:

1) set the appropriate start and end date in the previus script (first three lines)
2) open the pdf document with adobe acrobat professional and go to the first page
3) choose 'Document' menù and then 'set page action'
4) on 'page open' event chooe 'Add' and the JavaScript action
5) modify the javascript copying the previus script
6) save the document

Module Fire Detection

This module is based on meteosat data from EUMETSAT.

"The active fire monitoring product (FIR) is a fire detection product indicating the presence of fire within a pixel. The underlying concept of the algorithm takes advantage of the fact that SEVIRI channel IR3.9 is very sensitive to hot spots which are caused by fires. The algorithm distinguishes between potential fire and active fire. Applications and Users: Fire detection and monitoring."

This module has two parameters:

the size of the control (width and eight)
the area of the earth to visualize

If you are registred you can download the module at this link.

These modules are also publishied on www.joomla.org and are availables, for registered user, in the download section.

These gadgets can also be downloaded from Microsoft Live Gallery
These gadgets are availables, for registered user, in the download section.