Jumping from one input text to the next input text automatically

17 Mar 2004

      Dear my friends....

I am writing a web program with Mozilla (as the only
one client) and Java Script for Mozilla
(developer.netscape.com).

I want if the user type the date (tanggal) after 2
character than the cursor will jump to the next input
text automatically.
I used "tanggal.focus()" but no expected result comes.

Anybody would be so nice to tell me the solution?

Thank you so much.

ps. Here is my listing program below.
=======
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html;
charset=iso-8859-1">
</head>
<script language="JavaScript">
function cek(fieldnya){
var namavar = fieldnya.name;
var nilaivar = fieldnya.value;
var panjangnya = nilaivar.length;

if (namavar=='tanggal'){
	if (nilaivar<1 || nilaivar>31){
		alert("Ungültiges Datum");
		}
	if (panjangnya>2){
		alert("Datum hat nur 2 Zahlen");
		}
	}

if (namavar=='bulan'){
	if (nilaivar<1 || nilaivar>12){
		alert("Ungültiges Monat");
		}
	if (panjangnya>2){
		alert("Monat hat nur 2 Zahlen");
		}
	}

if (namavar=='tahun'){
	if (nilaivar<0){
		alert("Ungültiges Jahre");
		}
	if (panjangnya>4){
		alert("Jahre hat nur 4 Zahlen");
		}
	}

}

function pindahsorot(pindah){
var namavarpindah = pindah.name;
var nilaivarpindah = pindah.value;
var panjangnyapindah = nilaivarpindah.length;

//alert("Panjangnya udah : "+panjangnyapindah+"
namavarpindah : "+namavarpindah+
//" nilaivarpindah : "+nilaivarpindah);

if (namavarpindah=='tanggal'){
	if (panjangnyapindah>=2){
		//alert("pindah akh");
		this.form.bulan.select();
		this.form.bulan.focus();
		}
	}

}
</script>

<body>
<form name="customer">
 14. Broschüre verschickt :
<input type=text name=tanggal size=2
onChange="cek(this.form.tanggal)" 
onKeyUp="pindahsorot(this.form.tanggal)" >.
<input type="text" name="bulan" size=2
onChange="cek(this.form.bulan)">.
<input type=text name=tahun size=4
onChange="cek(this.form.tahun)"><FONT color=Green
 size=1><BLINK>---><U>Format : dd.mm.jjjj
</BLINK></FONT></U>
</form>
</body>
</html>
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Jumping from one input text to the next input text automatically

Prabu Subroto