- Code: Select all
//this is my javascript
<script language="JavaScript" type="text/javascript">
function daysBetween(date1, date2) {
var day1, day2;
var month1, month2;
var year1, year2;
value1 = document.test2.t1.value;
value2 = document.test2.t2.value;
day1 = value1.substring (0, value1.indexOf ("/"));
month1 = value1.substring (value1.indexOf ("/")+1, value1.lastIndexOf ("/"));
year1 = value1.substring (value1.lastIndexOf ("/")+1, value1.length);
day2 = value2.substring (0, value2.indexOf ("/"));
month2 = value2.substring (value2.indexOf ("/")+1, value2.lastIndexOf ("/"));
year2 = value2.substring (value2.lastIndexOf ("/")+1, value2.length);
date1 = year1+"/"+month1+"/"+day1;
date2 = year2+"/"+month2+"/"+day2;
firstDate = Date.parse(date1)
secondDate= Date.parse(date2)
msPerDay = 24 * 60 * 60 * 1000
document.getElementById('total').value = Math.round((secondDate.valueOf()-firstDate.valueOf())/ msPerDay) + 1;
}
</script>
// this is the form
<form id="test2" name="test2" method="post" action="process.php">
<input name="t1" id="t1" class="required" title="select date" onClick="daysBetween()" />
<input name="t2" id="t2" class="required" title="select date" onClick="daysBetween()" />
<input name="total" id="total" size="2" onkeyup="daysBetween()" />
</form>
really appreciate if anyone could help
