1<public:component lightweight="true">
2
3<script language="javascript">
4
5function CheckIsDigit()
6{
7	var iCode = event.keyCode ;
8
9	event.returnValue =
10		(
11			( iCode >= 48 && iCode <= 57 )		// Numbers
12			|| (iCode >= 37 && iCode <= 40)		// Arrows
13			|| iCode == 8						// Backspace
14			|| iCode == 46						// Delete
15		) ;
16
17	return event.returnValue ;
18}
19
20this.onkeypress = CheckIsDigit ;
21
22</script>
23
24</public:component>
25