<script language="javascript">
function redir()
{
var sID;
sID=form1.liansai.value;
if(sID==1)
{
document.down.src="url"
}
}
</script>
<table>
<tr>
<td>
<select name="liansai" size="1">
<option value="1">test</option>
< lect>
</td>
</tr>
<tr>
<td>
<iframe name="down" align=center width=100% frameborder=0 ></iframe>
</td>
</tr>
</table>
function redir()
{
var sID;
sID=form1.liansai.value;
if(sID==1)
{
document.down.src="url"
}
}
</script>
<table>
<tr>
<td>
<select name="liansai" size="1">
<option value="1">test</option>
< lect>
</td>
</tr>
<tr>
<td>
<iframe name="down" align=center width=100% frameborder=0 ></iframe>
</td>
</tr>
</table>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE></HEAD>
<BODY>
<table id="myTab">
<tr>
<td>
<select name="liansai" size="1" onchange="redir()">
<option value="1">test1</option>
<option value="2">test2</option>
</select>
</td>
</tr>
<tr>
<td>
<iframe name="down" style="position:absolute; top:100; left:100; width:300; height:300; border:3 outset"></iframe>
</td>
</tr>
</table>
<script language="javascript">
function redir()
{
var sID;
sID=liansai.value;
if(sID==1)
{
//老大,如何在<iframe name="down".....>中显示一个页面
//window.open? window.location?
var oFrame = document.all("down");
oFrame.src="a1.htm";
}
if(sID==2)
{
//老大,如何在<iframe name="down".....>中显示一个页面
//window.open? window.location?
var oFrame = document.all("down");
oFrame.src="a2.htm";
}
}
</script>
</BODY>
</HTML>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE></HEAD>
<BODY>
<table id="myTab">
<tr>
<td>
<select name="liansai" size="1" onchange="redir()">
<option value="1">test1</option>
<option value="2">test2</option>
</select>
</td>
</tr>
<tr>
<td>
<iframe name="down" style="position:absolute; top:100; left:100; width:300; height:300; border:3 outset"></iframe>
</td>
</tr>
</table>
<script language="javascript">
function redir()
{
var sID;
sID=liansai.value;
if(sID==1)
{
window.frames['down'].location.href="a1.htm";
}
if(sID==2)
{
window.frames['down'].location.href="a2.htm";
}
}
</script>
</BODY>
</HTML>
2.window.open("**.htm","down")
...
还老烦大家到这里看看我另一个问题,一起给分
http://expert.csdn.net/Expert/topic/2416/2416607.xml?temp=.5436365