<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><br />
<HTML><br />
<HEAD><br />
<TITLE> New Document </TITLE><br />
<META NAME="Generator" CONTENT="EditPlus"><br />
<META NAME="Author" CONTENT=""><br />
<META NAME="Keywords" CONTENT=""><br />
<META NAME="Description" CONTENT=""><br />
<script language="javascript"><br />
function change(){<br />
if(document.test.submit.disabled==true){<br />
document.test.submit.disabled=false;<br />
document.test.bton.value="禁用";<br />
}else{<br />
document.test.submit.disabled=true;<br />
document.test.bton.value="启用";<br />
}<br />
}<br />
</script><br />
</HEAD><br />
<br />
<BODY><br />
<form action="" name="test"><br />
<input type="button" id="btu" name="bton" onclick="change()" value="禁用"/><br />
<input type="submit" name="submit"/><br />
</form><br />
</BODY><br />
</HTML>New Document
<!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="">
<script language="javascript">
function change(){
if(document.test.submit.disabled==true){
document.test.submit.disabled=false;
document.test.bton.value="禁用";
}else{
document.test.submit.disabled=true;
document.test.bton.value="启用";
}
}
</script>
</HEAD>
<BODY>
<form action="" name="test">
<input type="button" id="btu" name="bton" onclick="change()" value="禁用"/>
<input type="submit" name="submit"/>
</form>
</BODY>
</HTML>