<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>
<FORM ACTION="" method="post">
<INPUT TYPE="radio" NAME="sortread " value="1" onClick="check(this)">
<INPUT TYPE="radio" NAME="sortread " value="2" onClick="check(this)">
<SELECT NAME="selectname"></SELECT>
</FORM>
</BODY>
</HTML>
<script language="javascript">
function check(obj)
{
var form=document.forms(0);
var length=form.selectname.options.length;
for(i=0;i<length;i++)
{
form.selectname.options.remove(0);
}
if(obj.value=="1")
{
form.selectname.options.add(new Option("小","1"));
form.selectname.options.add(new Option("较小","2"));
form.selectname.options.add(new Option("最小","3"));
}
else if(obj.value=="2")
{
form.selectname.options.add(new Option("大","1"));
form.selectname.options.add(new Option("较大","2"));
form.selectname.options.add(new Option("最大","3"));
}
}
</script>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<FORM ACTION="" method="post">
<INPUT TYPE="radio" NAME="sortread " value="1" onClick="check(this)">
<INPUT TYPE="radio" NAME="sortread " value="2" onClick="check(this)">
<SELECT NAME="selectname"></SELECT>
</FORM>
</BODY>
</HTML>
<script language="javascript">
function check(obj)
{
var form=document.forms(0);
var length=form.selectname.options.length;
for(i=0;i<length;i++)
{
form.selectname.options.remove(0);
}
if(obj.value=="1")
{
form.selectname.options.add(new Option("小","1"));
form.selectname.options.add(new Option("较小","2"));
form.selectname.options.add(new Option("最小","3"));
}
else if(obj.value=="2")
{
form.selectname.options.add(new Option("大","1"));
form.selectname.options.add(new Option("较大","2"));
form.selectname.options.add(new Option("最大","3"));
}
}
</script>
<INPUT type="radio" id="sortread" onclick="changeSelect1()"><script language="javascript">
function changeSelect1()
{
select.remove();
select.add("大","大");
select.add("中","中");
select.add("小","小");
select.selectedIndex = 2;
}
</script>另一个自己写吧
差不多
<script language="javascript">
function setSelect(v)
{
var oSel = document.all.sel;
if(v==0)
{
oSel.length=0;
oSel.add(newOption("小","小"));
oSel.add(newOption("较小","较小"));
oSel.add(newOption("最小","最小"));
}
else
{
oSel.length=0;
oSel.add(newOption("大","大"));
oSel.add(newOption("较大","较大"));
oSel.add(newOption("最大","最大"));
}
}
function newOption(t,v)
{
var oOption = document.createElement("OPTION");
oOption.value = v;
oOption.text = t;
return oOption;
}
</script>
<body>
<input type="radio" name="sortread " onclick="setSelect(0);" />小
<input type="radio" name="sortread " onclick="setSelect(1);"/>大
<select name="sel" style="width:120">
</select>
</body>