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<script type="text/javascript">
function display(y){$(y).style.display=($(y).style.display=="none")?"":"none";}
function $(s){return document.getElementById(s);}
</script>
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<table>
<tr id="menu" >
<td>¿ØÖÆÕâ¸ötrµÄÏÔʾ/Òþ²Ø</td>
</tr>
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<input type="button" onclick="display('menu')" value="ÏÔʾ/Òþ²Ø"/>
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<input type="botton" onclick="display(layer)">
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document.all["PanelSMS"].style.visibility="visible";
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document.all["PanelSMS"].style.display="inline";
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<script type="text/javascript">
function display(y){$(y).style.display=($(y).style.display=="none")?"":"none";}
function $(s){return document.getElementById(s);}
</script>
<div>
<table>
<tr id="menu" >
<td>XXXX</td>
</tr>
</table>
<input type="button" onclick="display('menu')" value="show/hide"/>
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