楼主看下面代码
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="zourinet">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script language="JavaScript">
/* <![CDATA[ */
function inputdisabled(o)
{
if(o.disabled)
{
o.disabled=false;
return ;
}
o.disabled=true;
}
var AttachEvent = function(o)
{
return function()
{
inputdisabled(o);//该函数为外部定义的一个执行函数;
}
}
function eventLoaded()
{
var obj = document.getElementsByTagName("input");
for(var i=0;i<obj.length;i++)
{
if(obj[i].type=="checkbox")
{
obj[i].attachEvent("onclick", AttachEvent(obj[i].parentNode.nextSibling.childNodes[0]));
}
}
}
/* ]]> */
</script>
</HEAD>
<BODY onload="eventLoaded()">
<form method="post" action="">
<div>
<table cellpadding="0" cellspacing="0" border="0" width="100%">
<tr>
<td><input type="checkbox" name="" value="" ></td>
<td><input type="text" name="" value="123"></td>
<td></td>
</tr>
<tr>
<td><input type="checkbox" name="" value=""></td>
<td><input type="text" name="" value="123ddddddd"></td>
<td></td>
</tr>
</table>
</div>
</form>
</BODY>
</HTML>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="zourinet">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script language="JavaScript">
/* <![CDATA[ */
function inputdisabled(o)
{
if(o.disabled)
{
o.disabled=false;
return ;
}
o.disabled=true;
}
var AttachEvent = function(o)
{
return function()
{
inputdisabled(o);//该函数为外部定义的一个执行函数;
}
}
function eventLoaded()
{
var obj = document.getElementsByTagName("input");
for(var i=0;i<obj.length;i++)
{
if(obj[i].type=="checkbox")
{
obj[i].attachEvent("onclick", AttachEvent(obj[i].parentNode.nextSibling.childNodes[0]));
}
}
}
/* ]]> */
</script>
</HEAD>
<BODY onload="eventLoaded()">
<form method="post" action="">
<div>
<table cellpadding="0" cellspacing="0" border="0" width="100%">
<tr>
<td><input type="checkbox" name="" value="" ></td>
<td><input type="text" name="" value="123"></td>
<td></td>
</tr>
<tr>
<td><input type="checkbox" name="" value=""></td>
<td><input type="text" name="" value="123ddddddd"></td>
<td></td>
</tr>
</table>
</div>
</form>
</BODY>
</HTML>
<html>
<title>index</title>
<head>
<script> </script> </head>
<body >
<input type="checkbox" onclick="this.nextSibling.disabled = false"><input type="textbox" disabled><br>
</body>
</html>
这样
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="zourinet">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script language="JavaScript">
/* <![CDATA[ */
function inputdisabled(o)
{
if(o.disabled)
{
o.disabled=false;
return ;
}
o.disabled=true;
}
var AttachEvent = function(o)
{
return function()
{
inputdisabled(o);//该函数为外部定义的一个执行函数;
}
}
function eventLoaded()
{
var obj = document.getElementsByTagName("input");
for(var i=0;i<obj.length;i++)
{
if(obj[i].type=="checkbox")
{
obj[i].attachEvent("onclick", AttachEvent(obj[i].parentNode.nextSibling.childNodes[0]));
}
}
}
/* ]]> */
</script>
</HEAD>
<BODY onload="eventLoaded()">
<form method="post" action="">
<div>
<table cellpadding="0" cellspacing="0" border="0" width="100%">
<tr>
<td><input type="checkbox" name="" value="" ></td>
<td><input type="text" name="" disabled value="123"></td>
<td></td>
</tr>
<tr>
<td><input type="checkbox" name="" value=""></td>
<td><input type="text" name="" disabled value="123ddddddd"></td>
<td></td>
</tr>
</table>
</div>
</form>
</BODY>
</HTML>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="zourinet">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script language="JavaScript">
/* <![CDATA[ */
function inputdisabled(s,o)
{
if(s.checked)
{
o.disabled=false;
return ;
}
o.disabled=true;
}
var AttachEvent = function(s,o)
{
return function()
{
inputdisabled(s,o);//该函数为外部定义的一个执行函数;
}
}
function eventLoaded()
{
var obj = document.getElementsByTagName("input");
for(var i=0;i<obj.length;i++)
{
if(obj[i].type=="checkbox")
{
obj[i].attachEvent("onclick", AttachEvent(obj[i],obj[i].parentNode.nextSibling.childNodes[0]));
}
}
}
/* ]]> */
</script>
</HEAD>
<BODY onload="eventLoaded()">
<form method="post" action="">
<div>
<table cellpadding="0" cellspacing="0" border="0" width="100%">
<tr>
<td><input type="checkbox" name="" value="" ></td>
<td><input type="text" name="" value="123" disabled></td>
<td></td>
</tr>
<tr>
<td><input type="checkbox" name="" value=""></td>
<td><input type="text" name="" value="123ddddddd" disabled></td>
<td></td>
</tr>
</table>
</div>
</form>
</BODY>
</HTML>