我写的部分代码?看看哪不对?<input onclick="change('jk')" type="radio" value="jk" name="select">
<input onclick="change('gc')" type="radio" value="gc" name="select">
  <SCRIPT LANGUAGE="javascript">
document.scripts[0].src="dm/x1.js";
function change(xc)
{
if(xc=="jk")
{
document.scripts[0].src="dm/x1.js";
}else
{
document.scripts[0].src="dm/x2.js";                                      
}
}
</SCRIPT>
                                      
<script language="javascript" src="dm/m.js"></script>