各位大哥！数值比较问题！请帮下忙！
在客户端输入数据，输入的数值大过一个单元格的值时，提示出错！怎样写！！
[解决办法]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN ">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME= "Generator " CONTENT= "EditPlus ">
<META NAME= "Author " CONTENT= " ">
<META NAME= "Keywords " CONTENT= " ">
<META NAME= "Description " CONTENT= " ">
</HEAD>
<BODY>
<INPUT TYPE= "text " NAME= "txt " onkeyup= "javascript:if(this.value> 100) alert( '错误！ '); ">
</BODY>
</HTML>
不知道你是不是这个意思