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<input name="key" type="text" size="6" onclick="if(document.getElementById('viewkey').innerHTML=='')
{document.getElementById('viewkey').
innerHTML=' <img src=../ShowKey/?v=info onClick=this.src='../ShowKey/?v=info&rand='+Math.random(); style=cursor:pointer; align=middle>';}">
<span id="viewkey"></span> <span style="color:#080;"> 点击显示验证码，如果您无法识别验证码，请点图片更换</span>
{document.getElementById('viewkey').
innerHTML=' <img src=../ShowKey/?v=info onClick=this.src='../ShowKey/?v=info&rand='+Math.random(); style=cursor:pointer; align=middle>';}">
<span id="viewkey"></span> <span style="color:#080;"> 点击显示验证码，如果您无法识别验证码，请点图片更换</span>
