birthday arrays and pulldowns with error handling

############ PHP PART 
 
 
## build up 3 arrays with D M Y values for smarty
 
##days
 
$bday_d[0]["name"] = ".."; 
$bday_d[0]["value"] = "";
 
for ($d=1;$d<=31;$d++) {
	$bday_d[$d]["name"] = $d; 
	$bday_d[$d]["value"] = $d;
}
 
##months
$bday_m[0]["name"] = ".."; 			$bday_m[0]["value"] = "";
$bday_m[1]["name"] = "Januar"; 		$bday_m[1]["value"] = "01";
$bday_m[2]["name"] = "Februar"; 	$bday_m[2]["value"] = "02";
$bday_m[3]["name"] = "März"; 		$bday_m[3]["value"] = "03";
$bday_m[4]["name"] = "April"; 		$bday_m[4]["value"] = "04";
$bday_m[5]["name"] = "Mai"; 		$bday_m[5]["value"] = "05";
$bday_m[6]["name"] = "Juni"; 		$bday_m[6]["value"] = "06";
$bday_m[7]["name"] = "Juli"; 		$bday_m[7]["value"] = "07";
$bday_m[8]["name"] = "August"; 		$bday_m[8]["value"] = "08";
$bday_m[9]["name"] = "September";	$bday_m[9]["value"] = "09";
$bday_m[10]["name"] = "Oktober"; 	$bday_m[10]["value"] = "10";
$bday_m[11]["name"] = "November"; 	$bday_m[11]["value"] = "11";
$bday_m[12]["name"] = "Dezember"; 	$bday_m[12]["value"] = "12";
 
##years
 
$maxAge = "70";
$minAge = "14";
$thisYear = strftime("%Y",time()) - $minAge; 
$thatYear = $thisYear - $maxAge; 
 
$bday_y[0]["name"] = ".."; 
$bday_y[0]["value"] = "";
$c=1;
for ($y=$thisYear;$y>=$thatYear;$y--) {
	$bday_y[$c]["name"] = $y; 
	$bday_y[$c]["value"] = $y;
	$c++;
}
 
$smarty->assign("bday_d", $bday_d ); 
$smarty->assign("bday_m", $bday_m ); 
$smarty->assign("bday_y", $bday_y ); 
 
############ ERROR CHECKS
 
$pg = $_POST["reg"];
if ($pg["birthday_day"] == "") 	{ $errorcnt ++; $smarty->assign("error_birthday_day", 1); }
if ($pg["birthday_month"] == "") { $errorcnt ++; $smarty->assign("error_birthday_month", 1); }
if ($pg["birthday_year"] == "") { $errorcnt ++; $smarty->assign("error_birthday_year", 1); }
 
 
############ SMARTY CODE
 
 
<select name="reg[birthday_day]"  {if $error_birthday_day == 1}class="fielderror"{/if}>
{section name=days loop=$bday_d}
	 <option label="{$bday_d[days].name}" value="{$bday_d[days].value}" {if $post.birthday_day == $bday_d[days].value}SELECTED{/if}>{$bday_d[days].name}</option>
{/section}
</select>
 
<select name="reg[birthday_month]"  {if $error_birthday_month == 1}class="fielderror"{/if}>
{section name=months loop=$bday_m}
	 <option label="{$bday_m[months].name}" value="{$bday_m[months].value}" {if $post.birthday_month == $bday_m[months].value}SELECTED{/if}>{$bday_m[months].name}</option>
{/section}
</select>
 
<select name="reg[birthday_year]"  {if $error_birthday_year == 1}class="fielderror"{/if}>
{section name=years loop=$bday_y}
	 <option label="{$bday_y[years].name}" value="{$bday_y[years].value}" {if $post.birthday_year == $bday_y[years].value}SELECTED{/if}>{$bday_y[years].name}</option>
{/section}
</select>