日期:2014-05-16  浏览次数:20435 次

请问在下面的的代码中如何修改可以实现点击后改变图片吗?还请各位大师多多指教,拜拖哪....


<link   rel= "stylesheet "   type= "text/css "   href= "css.css ">
<base   target= "right ">
<style   type= "text/css ">
<!--
body   {
margin-left:   0px;
margin-top:   0px;
margin-right:   0px;
margin-bottom:   0px;
}
.STYLE1   {color:   #000000}
-->
</style>
<script   language= "javascript ">
function   showdiv(div_id,img_i)
{
if(document.all.item(div_id).style.display== "block ")
    {
          document.all.item(div_id).style.display= "none ";
  img_i.src= "pic/P1.gif ";
  return   true;
    }
else
    {
          document.all.item(div_id).style.display= "block ";
  img_i.src= "pic/M1.gif ";
  return   true;
    }
    return   false;    
}
</script>
<body>
<table   border= '1 '   cellpadding= '0 '   cellspacing= '0 '   style= 'border-collapse:   collapse '   bordercolor= '#FF9900 '   width= "95% ">
    <tr>
        <td   width= "100% "   height= "28 "   align= "center "   bgcolor= "#FFFF00 ">
        <a   href= "index.asp "   target= "_top "   class= "STYLE1 ">           <b>   返回论坛首页 </b> </a> </td>
    </tr>
</table>

<table   border= '0 '   cellpadding= '0 '   cellspacing= '0 '   style= 'border-collapse:   collapse '   bordercolor= '#FF9900 '   width= "95% "   >
<tr>
<td   height= "1px "> &nbsp; </td>
</tr>
</table>

<table   border= '1 '   cellpadding= '0 '   cellspacing= '0 '   style= 'border-collapse:   collapse '   bordercolor= '#FF9900 '   width= "95% "   >

    <tr>
        <td   height= "22 "   bgcolor= "#FFFF00 ">         <font   color= "#FFFFFF "> <b> &nbsp; <img   src= "pic/P1.gif "   alt= "点击下拉 "   width= "20 "   height= "20 "   align= "absmiddle "     language= "javascript "   onClick= "showdiv( 'div2 ', 'img2 '); "   name= "img2 "   id= "img2 "> &nbsp; <span   class= "STYLE1 "> 论坛管理 </span> </b> </font>         </td>
    </tr>
</table>
<div   id= "div2 "   style= "display:none ">
<table   border= '1 '   cellpadding= '0 '   cellspacing= '0 '   style= 'border-collapse:   collapse '   bordercolor= '#FF9900 '   width= "95% "