<html>
<head>
<script language="JavaScript">
<!--
function check(x, obj){
for (var i=0; i < document.form1.elements.length; i++){
if (document.form1.elements[i].name.substr(0, 10) == "textfield1")
if (document.form1.elements[i] != obj && document.form1.elements[i].value == x){
alert("Can't do this!");
break;
}
}}
//-->
</script>
</head><body>
<form name="form1">
<table>
<td width="50%">第一组
<input type="text" name="textfield111" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield121" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield131" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield141" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield151" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield161" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield171" size="1" maxlength="2" onchange="check(this.value, this)">
</td>
</table>
</form></body>
</html>
<head>
<script language="JavaScript">
<!--
function check(x, obj){
for (var i=0; i < document.form1.elements.length; i++){
if (document.form1.elements[i].name.substr(0, 10) == "textfield1")
if (document.form1.elements[i] != obj && document.form1.elements[i].value == x){
alert("Can't do this!");
break;
}
}}
//-->
</script>
</head><body>
<form name="form1">
<table>
<td width="50%">第一组
<input type="text" name="textfield111" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield121" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield131" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield141" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield151" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield161" size="1" maxlength="2" onchange="check(this.value, this)">
<input type="text" name="textfield171" size="1" maxlength="2" onchange="check(this.value, this)">
</td>
</table>
</form></body>
</html>
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