help with eval

[Boofo]

Can anyone please tell me how to add an eval statement to this so I can put the information into a template? I know it's simple, I just can't see it.

if (($bday[2]>=21 and $bday[1]==3) or ($bday[2]<=19 and $bday[1]==4)) {
  $zodiacsign="Aries";
} else if (($bday[2]>=20 and $bday[1]==4) or ($bday[2]<=20 and $bday[1]==5)) {
  $zodiacsign="Taurus";
} else if (($bday[2]>=21 and $bday[1]==5) or ($bday[2]<=20 and $bday[1]==6)) {
  $zodiacsign="Gemini";
} else if (($bday[2]>=21 and $bday[1]==6) or ($bday[2]<=22 and $bday[1]==7)) {
  $zodiacsign="Cancer";
} else if (($bday[2]>=23 and $bday[1]==7) or ($bday[2]<=22 and $bday[1]==8)) {
  $zodiacsign="Leo";
} else if (($bday[2]>=23 and $bday[1]==8) or ($bday[2]<=22 and $bday[1]==9)) {
  $zodiacsign="Virgo";
} else if (($bday[2]>=23 and $bday[1]==9) or ($bday[2]<=22 and $bday[1]==10)) {
  $zodiacsign="Libra";
} else if (($bday[2]>=23 and $bday[1]==10) or ($bday[2]<=21 and $bday[1]==11)) {
  $zodiacsign="Scorpio";
} else if (($bday[2]>=22 and $bday[1]==11) or ($bday[2]<=21 and $bday[1]==12)) {
  $zodiacsign="Sagittarius";
} else if (($bday[2]>=22 and $bday[1]==12) or ($bday[2]<=19 and $bday[1]==1)) {
  $zodiacsign="Capricorn";
} else if (($bday[2]>=20 and $bday[1]==1) or ($bday[2]<=18 and $bday[1]==2)) {
  $zodiacsign="Aquarius";
} else if (($bday[2]>=19 and $bday[1]==2) or ($bday[2]<=20 and $bday[1]==3)) {
  $zodiacsign="Pisces";
} else {
  $zodiacsign="Can not define without a birth month and day.";
}
if($zodiacsign=="Can not define without a birth month and day.") {
  $zodiacimage="NA.gif";
} else {
  $zodiacimage=$zodiacsign.".gif";
}

and here's what I need to put in the template (called getinfo_zodiac):

<tr><td valign="top"><smallfont><B>Zodiac Sign: </B></smallfont></td><td valign="top"><smallfont>$zodiacsign
</smallfont></td></tr>