03.<head>
04.<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
05.<title></title>
06. <script language="javascript">
07.function alertData(){
08. var txt1 = document.getElementById('test1').value;
09. var txt2 = document.getElementById('test2').value;
10. var txt3 = document.getElementById('test3').value;
11. var txt4 = document.getElementById('test4').value;
12. var total = document.getElementById('total');
13. var to = document.getElementById('to');
14.if(txt1 == ""){txt1 = 0;}
15.if(txt2 == ""){txt2 = 0;}
16.if(txt3 == ""){txt3 = 0;}
17.if(txt4 == ""){txt4 = 0;}
18. total.value = parseFloat(txt1)*parseFloat(txt2);
19. to.value = parseFloat(txt3)*parseFloat(txt4);
20. kilo.value = parseFloat(txt1)+parseFloat(txt3);
21. muny.value=parseFloat(total.value)+parseFloat(to.value);
22.}
23.</script>
24.</head>
25.<body>
26.<center>1. ผลปาล์มทะลาย<br />
27.จำนวนกิโล<input name="test1" id="test1" type="text" onkeyup="alertData()" />
28.ราคา<input name="test2" id="test2" type="text" onkeyup="alertData()"/> รวมเป็นเงิน
29.<input name="total" id="total" type="text" />
30.</center><br />
31.<center>2. ผลปาล์มร่วง<br />
32.จำนวนกิโล<input name="test3" id="test3" type="text" onkeyup="alertData()"/>
33.ราคา<input name="test4" id="test4" type="text" onkeyup="alertData()"/> รวมเป็นเงิน
34.<input name="to" id="to" type="text" />
35.</center>
36.<br />
37.<br />
38.<center>
39.รวมจำนวน กิโลกรัม<input name="kilo" id="kilo" type="text" />
40.รวมจำนวน เงิน<input name="muny" id="muny" type="text" />
41.</center>
42.<? echo ceil( 1.50 ); ?>
43.</body>
44.</html>
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