s="<table width=100% cellspacing=0 cellpadding=3 style=border-collapse:collapse;><tr><th colspan=2>"+heading+"查询</th></tr>\
	<tr align=center><td><input type=hidden id=command name=command value=query>关键字：<input id=txt1 value='"+key+"' onfocus=this.select() onkeydown=if(window.event.keyCode==13)btnQuery_onclick() style=width:100><hr size=1 color=green><button id=btnQuery onclick=btnQuery_onclick()>查 询</button></td>\
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					<th colspan=2>相关栏目</th>\
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						<table cellspacing=0 width=100%>\
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								<td class=rbc><a class=heading href=../commodity/more.asp>产品中心</a></td>\
								<td class=bc><a class=heading href=../commodity/manufacturer.asp>制造厂商</a></td>\
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								<td class=rbc><a class=heading href=../news/default.asp>热点新闻</a></td>\
								<td class=bc><a class=heading href=../downCenter/default.asp>下载中心</a></td>\
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								<td class=rbc><a class=heading href=../scienceReport/default.asp>学术报告</a></td>\
								<td class=bc><a class=heading href=../exhibition/default.asp>展会预告</a></td>\
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								<td class=rbc><a class=heading href=../quote/default.asp>产品报价</a></td>\
								<td class=bc><a class=heading href=../pickGuide/default.asp>选型指南</a></td>\
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