function server(imgname,xpix,ypix)
{
var image =
'<BR>'+
'<CENTER>'+
'<a href="JavaScript:history.back()">'+
'<img alt="Back to the description of the birds" width='+xpix+' height='+ypix+
' src="http://www.mykines.dk/'+imgname+'.jpg">'+
'</A>'+
'</CENTER>'+
'<BR>';
document.write(image);
}