$ X: h3 _9 J/ X( W6 T* G<script LANGUAGE="JAVASCRIPT">
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5 i6 l, s8 R. j<!-- hide this script tag's contents from old browsers
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) O2 Y$ y% i' u& i/ G! i- N8 N0 zfunction ClearForm(form){
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! o- L" l( `1 N9 \ ^8 X form.weight.value = "";
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form.bmi.value = "";
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^: @0 ^ B" C2 H# j( S form.my_comment.value = "";: E" V( m, a, W/ I) U, E
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function bmi(weight, height) {7 v; Y1 Z4 z. M0 S# Y* ?3 \
8 d) |4 N* S7 S bmindx=weight/eval(height*height);
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return bmindx;
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" p# B, `+ @% z, pfunction checkform(form) {$ |' n; r$ |! c! b- F
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if (form.weight.value==null||form.weight.value.length==0 ; Q) f6 E: W+ x2 G$ T; a4 t
1 }9 C2 k) _$ z: y& [4 g || form.height.value==null||form.height.value.length==0){
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2 F! V/ a/ B! ?' u; k alert("\nPlease complete the form first");
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return false;
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else if (parseFloat(form.height.value) <= 0||1 A8 {: x8 d0 o' k- r
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parseFloat(form.height.value) >=500||
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7 T- _; B3 p7 M3 [$ I; D, k parseFloat(form.weight.value) <= 0||$ t5 L. r) G5 e/ i9 `
# {4 X* [! h0 s$ a: E parseFloat(form.weight.value) >=500){3 y/ @) N( b' q. ]( f- S
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alert("\nReally know what you're doing? \nPlease enter values again. \nWeight in kilos and \nheight in cm");
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, l: A8 G% |0 y) C& X8 H ClearForm(form);0 n- F! d/ F# O* W
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return false;: k8 X7 u1 k# N: B; y
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return true;
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function computeform(form) {
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if (checkform(form)) {" e5 |3 i* u+ _5 O2 H( s
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yourbmi=Math.round(bmi(form.weight.value, form.height.value/100));
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form.bmi.value=yourbmi;
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' a1 R/ M4 f7 D9 Z1 m3 P* ?% j if (yourbmi >30) {9 g5 g0 F' l/ H- n
! M, M# W& [! G- e1 v& I0 ]' }# I form.my_comment.value="不要在闹了!!!";0 l P1 H2 F! L
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else if (yourbmi >28 && yourbmi <=30) {* k0 n' b0 B. z% |
4 N' k' n3 G/ z" X6 a! C$ R form.my_comment.value="您是猪吗?";. [7 W) ?2 p+ y" h) }! D
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3 C/ \3 P& z6 h t form.my_comment.value="两头猪也没有你重吧?";" U8 p, x6 y: ?9 L
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/ q4 W/ _3 l$ V k5 T else if (yourbmi >21 && yourbmi <=23) {4 p9 b/ S3 L0 ? [
; N, x2 L" d- e form.my_comment.value="您现在是偏胖,应该注意饮食!";
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% ^( z4 P! m' C7 r# a6 N/ } else if (yourbmi >=19 && yourbmi <=21) {
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form.my_comment.value="哇!!!您太苗条了! 是标准身材";, v8 p' A4 B& t1 p. r' |" ~
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else if (yourbmi >=18 && yourbmi <19) {
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form.my_comment.value="您是不是营养不良?????";
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else if (yourbmi >=17 && yourbmi <18) {
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form.my_comment.value="这个不是骨头吗????";/ G) B8 \ ?4 [) \3 B
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else if (yourbmi <17) {
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form.my_comment.value="按照生物学来说这种生物是不能生存的";
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}
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% ~: F- D0 |; M% i! n8 l // -- done hiding from old browsers -->
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</script>
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( T5 P. Q$ ~9 I, [, i<form NAME="BMI" method="POST">
( G }! y. Q* \" u7 h L <table border="1">
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<td><font color="red"><div align="center"><center><p>体重</font> (kg)</td>" [( L7 U k& @ s& h2 g- R6 G1 R- S
<td align="center"><font color="red"><div align="center"><center><p>身高</font>(cm)</td>
- d1 O$ ]9 ^: k- w* m2 n% y* J; b <td align="center"><font color="blue"><div align="center"><center><p>健康值</font></td>
. c" h( J6 r2 h$ R <td align="center"><font color="blue"><div align="center"><center><p>电脑对您的评价</font></td>
1 \9 E# |( h) {, y* D5 ^ </tr>
& ~9 i% J. @1 i7 J* w, _ i <tr align="center">
$ s- M* S/ N" U" y) z <td><input TYPE="TEXT" NAME="weight" SIZE="6" onFocus="this.form.weight.value=''"></td>% L* Z! t0 Y, w, `- x8 S. P! u9 v: d
<td><input TYPE="TEXT" NAME="height" SIZE="6" onFocus="this.form.height.value=''"></td>5 m+ m, |9 r0 V( V2 S7 l
<td><input TYPE="TEXT" NAME="bmi" SIZE="5"></td>
0 d( S0 ]* w; C- o <td><input TYPE="TEXT" NAME="my_comment" size="40"></td>) {) y' ?/ i1 S6 Z
</tr>
6 b+ t E; F$ v# t; \1 y. N </table>5 M* v5 t/ O5 U% v
<div align="center"><center><p><input TYPE="button" VALUE="确定"$ t; f, y X" t e& @
onClick="computeform(this.form)"> <input TYPE="reset" VALUE="取消"
% e5 \2 b4 e# d! n* Q# s& B& G onClick="ClearForm(this.form)"> </p>
& q& Q; ~$ y! y# Y( M7 @: f </center></div>! ^' [) \) G, F
</form> |
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