Hi,
Try this code below, I just dont know if onpress() will work in touch screen so, if it will not try onclick():
<html>
<head>
<title>touch screen</title>
<script>
function dataval(no) {
document.form1.noemployee.value=document.form1.noemployee.value + no;
}
</script>
</head>
<body bgcolor="#FFFFFF" text="#000000">
<form name="form1" method="post" action="">
<br>
<input type="text" name="noemployee">
<br>
<input type="button" name="Button" value="0" onpress="dataval(0);">
<input type="button" name="Submit2" value="1" onpress="dataval(1);">
<input type="button" name="Submit3" value="2" onpress="dataval(2);">
<input type="button" name="Submit4" value="3" onpress="dataval(3);">
<input type="button" name="Submit5" value="4" onpress="dataval(4);">
<br>
<input type="button" name="Submit6" value="5" onpress="dataval(5);">
<input type="button" name="Submit7" value="6" onpress="dataval(6);">
<input type="button" name="Submit8" value="7" onpress="dataval(7);">
<input type="button" name="Submit9" value="8" onpress="dataval(8);">
<input type="button" name="Submit10" value="9" onpress="dataval(9);">
</form></body></html>
Hope this solve your problem.