ab = Math.round(Math.random()*38)+1;
 if (ab < 10 ) {b = "0"+String(ab);}
 ac = "http://www.esensnet.de/clipart/Fotos/Sommer/"+ab+".jpg";
 tab  = "<table align=left cellspacing=1 cellpadding=0 border=1 bgcolor=#000080>";
 tab += "<tr><td style=\"color:#FFFFFF;font-size:10px;\" align=\"center\">";
 tab += "Ostfriesische Impressionen</td></tr><tr><td>";
 tab += "<img width=\"200\" align=\"middle\" alt=\""+ac+"\" src="+ac+">";
 tab += "</td></tr></table>";
 document.write(tab);