<script language="JavaScript">
var d = new Date().getDate();var m = (new Date().getMonth() + 1);var j = new Date().getYear();function Geboorte(dd,mm,jj){if (mm > m){document.write(j - jj - 1)}else{if (mm < m){document.write(j - jj)}else{if (mm = m){if (dd > d){document.write(j - jj - 1)}else{if (dd < d){document.write(j - jj)}else{if (dd = d){document.write(j - jj)}}}}}}}
Geboorte('5','5','1988')
</script>