Prova questo....
codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled</title>
</head>
<body>
<script language="JavaScript" type="text/javascript">
<!--
function format2dec(value) {
a = value * 100;
a = parseInt(a);
a = a / 100;
return a;
} // function format2dec(value)
function dec2Str(value) {
a = format2dec(value);
if (a == parseInt(a)) {
return a+'.00';
} // if (a == parseInt(a))
if (a * 10 == parseInt(a * 10)) {
return a+'0';
} // if (a * 10 == parseInt(a * 10))
return a;
} // function dec2Str(value)
alert(dec2Str(11));
alert(dec2Str(11.1));
alert(dec2Str(11.12));
alert(dec2Str(11.123));
alert(dec2Str(11.108));
alert(dec2Str(11.008));
//-->
</script>
</body>
</html>
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