<!--#include file="../utf-8.asp" -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<META NAME="copyright" CONTENT="Copyright 2010-2012 - yidacms.com" />
<META NAME="Author" CONTENT="世纪伟成  yidacms.com" />
<title>产品计算器</title>
<script language=javascript>
<!--
    document.onselectstart=mylock1;
    document.oncontextmenu=mylock1;
    function mylock1(){
      event.returnValue=false;
    }
//-->
</script>
<script language="VBSCRIPT">
Function Show(m)
If (Myform.Expression.Value = "" AND InStr(". + - * / ",m)) Then
Myform.Expression.Value = ""
ElseIf (InStr("+ - * / . ",Right(Myform.Expression.Value,1)) And InStr("+ - * / ",m)) Then
ElseIf (m = ".") Then
If (InStr("+ - * / . ",Right(Myform.Expression.Value,1))) Then
ElseIf ((InstrRev(Myform.Expression.Value,".") > InstrRev(Myform.Expression.Value,"+")) And (InstrRev(Myform.Expression.Value,".") > InstrRev(Myform.Expression.Value,"-")) And (InstrRev(Myform.Expression.Value,".") > InstrRev(Myform.Expression.Value,"*")) And (InstrRev(Myform.Expression.Value,".") > InstrRev(Myform.Expression.Value,"/"))) Then
Else
Myform.Expression.Value = Myform.Expression.Value + m
End If
Else
Myform.Expression.Value = Myform.Expression.Value + m
END If

End Function

Function Sqrt()
If (Myform.Expression.Value = "") Then
Myform.Expression.Value = ""
ElseIf (InStr(". + - * / ",Right(Myform.Expression.Value,1))) Then
Else
Myform.Expression.Value = Eval(Myform.Expression.Value)^2
End If

End Function
Function Result()
If (Myform.Expression.Value = "") Then
Myform.Expression.Value = ""
ElseIf (InStr(". + - * / ",Right(Myform.Expression.Value,1))) Then
Else
Myform.Expression.Value = Eval(Myform.Expression.Value)
End If
End Function
Function Clean()
Myform.Expression.Value = ""
End Function
</script>
</head>
<body text=#000000 >
<form name="myform" method="post" action="">
<div>
<table bgcolor="#C0e0ff" width="214" height="245" border="0">
<tr>
<th width="206" scope="col"><H2><font color="#0000A0"> 计算器 </font></H2></th>
</tr>
<tr>
<th height="36" scope="col"><table width="200"  border="1" cellpadding="6" cellspacing="0" bordercolor="#cccccc" style="border-collapse:collapse" bgcolor="#FFFFFF" align="center">
<tr>
<td colspan="4"><div align="center">
<input name="expression" type="text" value="" size="28" maxlength="28" >
</div></td>
</tr>
<tr>
<td><div align="center">
<INPUT TYPE="button" id="seven"
onClick="Show('7')" VALUE=" 7 ">
</div></td>
<td><div align="center">
<INPUT TYPE="button" VALUE=" 8 "
onClick="Show('8')">
</div></td>
<td><div align="center">
<INPUT TYPE="button" VALUE=" 9 "
onClick="Show('9')">
</div></td>
<td><div align="center">
<INPUT TYPE="button" VALUE=" / "
onClick="Show('/')">
</div></td>
</tr>
<tr>
<td><div align="center">
<INPUT TYPE="button" VALUE=" 4 "
onClick="Show('4')">
</div></td>
<td><div align="center">
<INPUT TYPE="button" VALUE=" 5 "
onClick="Show('5')">
</div></td>
<td><div align="center">
<INPUT TYPE="button" VALUE=" 6 "
onClick="Show('6')">
</div></td>
<td><div align="center">
<INPUT TYPE="button" VALUE=" * "
onClick="Show('*')">
</div></td>
</tr>
<tr>
<td><div align="center">
<INPUT TYPE="button" VALUE=" 1 "
onClick="Show('1')">
</div></td>
<td><div align="center">
<INPUT TYPE="button" VALUE=" 2 "
onClick="Show('2')">
</div></td>
<td><div align="center">
<INPUT TYPE="button" VALUE=" 3 "
onClick="Show('3')">
</div></td>
<td><div align="center">
<INPUT TYPE="button" VALUE=" - "
onClick="Show('-')">
</div></td>
</tr>
<tr>
<td><div align="center">
<INPUT TYPE="button" VALUE=" 0 "
onClick="Show('0')">
</div></td>
<td><div align="center">
<INPUT TYPE="button" VALUE=" . "
onClick="Show('.')">
</div></td>
<td><div align="center">
<input type="button" value="sqr"
onClick="sqrt()">
</div></td>
<td><div align="center">
<input type="button" value=" + "
onClick="Show('+')">
</div></td>
</tr>
<tr>
<td colspan="2"><div align="center">
<INPUT TYPE="button" VALUE=" AC "
onClick="clean()">
</div></td>
<td colspan="2"><div align="center">
<INPUT TYPE="button" VALUE=" = "
onClick="result()">
</div></td>
</tr>
</table></th>
</tr>
</table>
</div>
</form>
</body>
</html> 