文字或图片元素在DIV中垂直居中

!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> 
meta http-equiv="Content-Type" content="text/html; charset=GB2312" /> 
title>Untitled Document/title> 
style type="text/css"> 
!-- 
.frame{ 
    float:left; 
    margin:2px; 
} 
.outer { 
    height: 250px; 
    width: 240px; 
    overflow: hidden; 
    background:gold; 
    position: static !important; 
    position: relative; 
    display: table !important; 
} 
#middle { /* for explorer only*/ 
    position: absolute; 
    top: 50%; 
} 
#middle[id] { 
    display: table-cell; 
    vertical-align: middle; 
    position: static; 
} 
#inner { /* for explorer only */ 
    position: relative; 
    top: -50%; 
    width: 100%; 
    margin: 0 auto; 
    text-align:center 
} 
/style> 
/head> 

body> 
div class="frame"> 
    div class="outer"> 
        div id="middle"> 
            div id="inner">img src="http://bbs.blueidea.com/images/smilies/eek.gif" alt="" />/div> 
        /div> 
    /div> 
/div> 
div class="frame"> 
    div class="outer"> 
        div id="middle"> 
            div id="inner"> 
                img src="http://bbs.blueidea.com/images/smilies/eek.gif" alt="" />br />br /> 
                img src="http://bbs.blueidea.com/images/smilies/eek.gif" alt="" /> 
            /div> 
        /div> 
    /div> 
/div> 
div class="frame"> 
    div class="outer"> 
        div id="middle"> 
            div id="inner">图片与文本内容混合br>img src="http://desk.blueidea.com/QTZY/GIF/xsgs_21/xsgs_21004.gif" alt="" />br>图片与文本内容混合/div> 
        /div> 
    /div> 
/div> 
div class="frame"> 
    div class="outer"> 
        div id="middle"> 
            div id="inner">span>图片与文本/span>img src="http://desk.blueidea.com/QTZY/GIF/xsgs_21/xsgs_21004.gif" alt="" align="middle" />span>图片与文本/span>/div> 
        /div> 
    /div> 
/div>
div class="frame"> 
    div class="outer"> 
        div id="middle"> 
            div id="inner">5454545445445br>5454545445445br>5454545445445br>5454545445445br>5454545445445br>5454545445445br>5454545445445br>5454545445445br>/div>
/div> 
    /div> 
/div>
/body> 
/html>