给看个小程序，谢谢！

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Test.aspx.cs" Inherits="img" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
 <head> 
 <title> Document.All Example #2</title>
  <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" /> 
      <script language="javascript" type="text/javascript" >
     
      function myclick(srcelement)
      {
       
       alert(srcelement.id)
             }
        
            
      } </script>
  </head> 
<body> <!-- Works in Internet Explorer and compatible --> 
    <TABLE class=small cellSpacing=0 cellPadding=0 border=0>
        <TBODY>
            <TR>
                <TD><IMG src="menu/tree_line.gif" border=0></TD>
                <TD><IMG class=outline id=MEMU_0104 style="CURSOR: hand" onclick="myclick(this)" src="menu/tree_plus.gif"></TD>
                <TD><IMG height=17 alt=电子邮件 src="menu/@mail.gif" 
                width=19 border=0></TD>
                <TD colSpan=2>
                <A href="javascript:myclick(MEMU_0104)">&nbsp;电子邮件</A>  
                </TD>
            </TR>
        </TBODY>
    </TABLE></body> 
哪里不对啊，怎么老是报错说缺少对象
给看看
谢谢

解决方案 »

  1.   

    <head>    
      <script language="javascript" type="text/javascript" >
          function myclick(srcelement)
          {
           alert(document.getElementById(srcelement).id)
          }
    </script>
    </head> 
    <body> <!-- Works in Internet Explorer and compatible --> 
        <TABLE class=small cellSpacing=0 cellPadding=0 border=0>
            <TBODY>
                <TR>
                    <TD><IMG src="menu/tree_line.gif" border=0></TD>
                    <TD><IMG class=outline id="MEMU_0104" style="CURSOR: hand" onclick="myclick(this.id)" src="menu/tree_plus.gif"></TD>
                    <TD><IMG height=17 alt=电子邮件 src="menu/@mail.gif" 
                    width=19 border=0></TD>
                    <TD colSpan=2>
                    <A href="javascript:myclick('MEMU_0104')">&nbsp;电子邮件</A>  
                    </TD>
                </TR>
            </TBODY>
        </TABLE>
    </body> 
      

  2.   

    同上....
    需要用document.getElementById(‘’）来获得对象的