function imprimir() 
{ 
var a = window.open('','','width=700,height=800'); 
a.document.open("text/html"); 
a.document.write("<link href='../includes/estils_imprimir.css' rel='stylesheet' type='text/css'>");
a.document.write("<table border='0' cellspacing='10' cellpadding='0'>  <tr>    <td><img src='../gif/logo_sup.jpg'><br><br>");
a.document.write(document.getElementById('contingut').innerHTML); 
a.document.write("</td>  </tr><tr><td> <p> Geòtics Innova SL. - info@geotics.net - www.geotics.net</p></td></tr></table>");
a.document.close(); 
a.print(); 
}