
How to calculate difference between two dates

JSP difference between two dates:
<html>
<head>
<script>
function dateDiff(dateform) {
date1 = new Date();
date2 = new Date();
diff = new Date();
date1temp = new Date(dateform.firstdate.value);
date1.setTime(date1temp.getTime());
date2temp = new Date(dateform.seconddate.value);
date2.setTime(date2temp.getTime());
diff.setTime(Math.abs(date1.getTime() - date2.getTime()));
timediff = diff.getTime();
days = Math.floor(timediff / (1000 * 60 * 60 * 24));
dateform.difference.value = days;
return false;
}
</script>
</head>
<form onSubmit="return dateDiff(this);">
<pre>
First Date(MM/DD/YYYY): <input type=text name=firstdate>
Second Date(MM/DD/YYYY): <input type=text name=seconddate>
Date Difference (in days): <input type=text name=difference>
<input type=submit value="Calculate Difference!">
</pre>
</form>
</html>

Thank you,it worked so well on my Project..!!!!!!! T.:) Searched a lot through the net for this.. Finally..Thank you so so much..:)
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