function CreateHeader()
{
     html = "";
     html += "<table border='0' cellspacing='0' cellpadding='0'>";
     html += "<tr>";
     html += "<td height='96' rowspan=2>";
     html += "<a href='index.htm'><img src='header/pics/logo.jpg' width='121' height='118' border='0'></a>";
     html += "</td>";
     html += "<td height='22'>";
     html += "<img src='header/pics/hgonev.jpg' width='639' height='22' border='0'>";
     html += "</td>";
     html += "</tr>";
     html += "<tr>";
     html += "<td valign=top height='11'>";
     
     // über uns
     
     html += "<a href='ueber_uns.htm' onMouseOver='document.ueberuns.src=\"header/pics/ueber_uns_over.jpg\";' onMouseOut='document.ueberuns.src=\"header/pics/ueber_uns.jpg\";'>";
     html += "<img name='ueberuns' src='header/pics/ueber_uns.jpg' alt='Über uns' width='158' height='96' border='0'>";
     html += "</a>";
     
     // mitmachen
     
     html += "<a href='mitmachen.htm' onMouseOver='document.mitmachen.src=\"header/pics/mitmachen_over.jpg\";' onMouseOut='document.mitmachen.src=\"header/pics/mitmachen.jpg\";'>";
     html += "<img name='mitmachen' src='header/pics/mitmachen.jpg' alt='Mitmachen; Foto: Sönke Morsch' width='148' height='96' border='0'>";
     html += "</a>";
     

     // spenden
     
     html += "<a href='naturschutz_mit_biss.htm' onMouseOver='document.spenden.src=\"header/pics/spenden_over.jpg\";' onMouseOut='document.spenden.src=\"header/pics/spenden.jpg\";'>";
     html += "<img name ='spenden' src='header/pics/spenden.jpg' alt='Spenden; Foto: www.PhotoCase.de' width='147' height='96' border='0'>";
     html += "</a>";
     
     // kontakt
     
     html += "<a href='kontakt.htm' onMouseOver='document.kontakt.src=\"header/pics/kontakt_over.jpg\";' onMouseOut='document.kontakt.src=\"header/pics/kontakt.jpg\";'>";
     html += "<img name='kontakt' src='header/pics/kontakt.jpg' alt='Kontakt' width='186' height='96' border='0'>";
     html += "</a>";



     html += "</td><td>&nbsp;</td>	";
     html += "</tr>	";
     html += "</table>";
     
     document.getElementById("header").innerHTML = html;
}