function button($str = 'button')
{
  return <<<__EOP__
<BUTTON STYLE='background-color:transparent; color:transparent; border:0;
cursor:hand;'
><TABLE BORDER=0 CELLPADDING=0 CELLSPACING=0
><TR><TD><IMG SRC='http://linuxchannel.net/images/rbutton-left.gif'
BORDER=0
></TD><TD ALIGN=center VALIGN=center BACKGROUND='http://linuxchannel.net/images/rbutton-bg.gif'
NOWRAP
><IMG SRC='http://linuxchannel.net/images/3c.gif' BORDER=0
><FONT COLOR=#8000FF SIZE=2> ${str} </FONT
></TD><TD><IMG SRC='http://linuxchannel.net/images/rbutton-right.gif'
BORDER=0
></TD></TR
></TABLE
></BUTTON>
__EOP__;
}