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- Javascript
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Menu gg/mm/aa
Menu gg/mm/aa
Menu di scelta del giorno, mese e anno aggiornabile tenendo conto degli anni bisestili.
Questo menu tiene conto del variare della quantità di giorni di ciascun mese e calcola gli anni bisestili.
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function populate(objForm,selectIndex) {
timeA = new Date(objForm.year.options[objForm.year.selectedIndex].text, objForm.month.options[objForm.month.selectedIndex].value,1);
timeDifference = timeA - 86400000;
timeB = new Date(timeDifference);
var daysInMonth = timeB.getDate();
for (var i = 0; i < objForm.day.length; i++) {
objForm.day.options[0] = null;
}
for (var i = 0; i < daysInMonth; i++) {
objForm.day.options[i] = new Option(i+1);
}
document.f1.day.options[0].selected = true;
}
function getYears() {
// You can easily customize what years can be used
var years = new Array(1997,1998,1999,2000,2001,2005)
for (var i = 0; i < document.f1.year.length; i++) {
document.f1.year.options[0] = null;
}
timeC = new Date();
currYear = timeC.getFullYear();
for (var i = 0; i < years.length; i++) {
document.f1.year.options[i] = new Option(years[i]);
}
document.f1.year.options[2].selected=true;
}
window.onLoad = getYears;
// End -->
</script>
</HEAD>
<BODY>
<center>
<form name=f1>
<table border=0>
<tr>
<td align=center>
<select name=year onChange="populate(this.form,this.form.month.selectedIndex);">
<option selected value=99>1999</option>
<option value=00>2000</option>
<option value=01>2001</option>
<option value=02>2002</option>
<option value=03>2003</option>
<option value=04>2004</option>
<option value=05>2005</option>
<option value=06>2006</option>
<option value=07>2007</option>
<option value=08>2008</option>
</select>
<select name=month onChange="populate(this.form,this.selectedIndex);">
<option value=01>Gennaio</option>
<option value=02>Febbraio</option>
<option value=03>Marzo</option>
<option value=04>Aprile</option>
<option value=05>Maggio</option>
<option value=06>Giugno</option>
<option value=07>Luglio</option>
<option value=08>Agosto</option>
<option value=09>Settembre</option>
<option value=10>Ottobre</option>
<option value=11>Novembre</option>
<option value=12>Dicembre</option>
</select>
<select name=day>
<option> </option>
<option> </option>
<option> </option>
<option> </option>
<option> </option>
<option> </option>
<option> </option>
</select>
</td>
</tr>
</table>
</form>
</center>
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