gistfile1.js

var d = new Date();
    dom = d.getDate();
    month = d.getMonth();
    year = d.getYear();
    if (year < 2000) year = year - 100;
    else year = year - 2000;
 
    if (year == 9 && month == 2)
        days = 56 - dom;
    else if (year == 9 && month == 3)
        days = 25 - dom;
    else
        days = 0;
    if (days < 0) days = 0;
    if (days < 10) days = '0' + days.toString();
 
 

document.write('<a href="http://www.linuxtour.org/flisol"><img id="flisol2009ni" src="http://www.linuxtour.org/ContadorFlisol/Flisol-' + days + '.png "width="180" height="150" border="0" alt="Flisol Nicaragua 2009" style="padding-top:2px;background-color:#fff"></a>');