Validering af CPR nummer

Hvem skal du have cpr-nummer fra ?-)

-- rigtig dårlig idé, at opfordre til at aflevere det, da det kan bruges til alt muligt grimt ...

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Valider CPR nr</title>
<meta name="Generator" content="Stone's WebWriter 4">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript" type="text/javascript">
function cprTjeck(frm){
    var cpr = frm.cpr.value
    if(cpr.match(/[0-9]{6}\-[0-9]{4}/)){
        cpr = cpr.replace(/\-/g,"");
        var chk = 0;
        for(i=9;i>-1;i--){
          chk += (+cpr.charAt(i))*((i>2)?(10-i):(4-i));
        }
        if(chk%11==0)return true;
        }
    alert("ikke valid CPR");
    return false;
    }
</script>
</head>
<body>
<form name="form1" method="post" onSubmit="return cprTjeck(this);">
  <input type="text" name="cpr">
  <input type="submit" name="Submit" value="Submit">
</form>
</body>
</html>

eller

<html>
<head>
<title> Passer CPR-nummeret? </title>
</head>
<body>
<FORM NAME="CPRTEST"><font face="verdana" size="2">
Skriv et CPR-nnummer i dette format<br>
  &nbsp; <b><br>
</b>
  xxxxxx-xxxx&nbsp;<br>
  </font><font face="verdana" size="3">
<!--webbot bot="Validation" B-Value-Required="TRUE" I-Minimum-Length="11"
I-Maximum-Length="11" --><input type="text" name="CPRIND" size="12" maxlength="11" style="font-family: Arial; font-size: 10 pt"></font><font face="verdana" size="1">&nbsp;
  </font><font face="verdana" size="3"><input type="button" value="test CPR-nummer" name="TESTKNAP" id="TESTKNAP" style="font-family: Arial; font-size: 10 pt"><br>
<input type="text" name="RESULTAT" size="41" style="font-family: Arial; font-size: 10 pt"><br>
<SCRIPT LANGUAGE="JAVASCRIPT">
document.CPRTEST.TESTKNAP.onclick=TESTCPR;
function TESTCPR()
{
CPR= document.CPRTEST.CPRIND.value;
a1 = CPR.substring(0,1); a2 = CPR.substring(1,2);
a3 = CPR.substring(2,3); a4 = CPR.substring(3,4);
a5 = CPR.substring(4,5); a6 = CPR.substring(5,6);
a7 = CPR.substring(7,8); a8 = CPR.substring(8,9);
a9 = CPR.substring(9,10); a10 = CPR.substring(10,11);
sum1=(a1*4) + (a2*3) + (a3*2) + (a4*7) + (a5*6) + (a6*5) + (a7*4) + (a8*3) + (a9*2) + (a10*1);
g=sum1%11;
if (g==0)
{document.CPRTEST.RESULTAT.value="CPR-NUMMERET ER OK"};
else
{document.CPRTEST.RESULTAT.value="CPR-NUMMERET ER IKKE OK"};
}
</script>
</form>
  </font>
</body>
</html>

//Burgerking

takker for jeres svar - roenving: smider du et svar ?

:-)

Velbekomme '-)

-- og tak for point ;~}