_topmenu=function(config){
	var menuitems={"zhishi":{title:"知识",channel:"goqw.jsp"},
					"book":{title:"图书",channel:"search"},
					"qikan":{title:"期刊",channel:"searchJour"},
					"baozhi":{title:"报纸",channel:"searchNP"},
					"xuewei":{title:"学位论文",channel:"searchThesis"},
					"huiyi":{title:"会议论文",channel:"searchCP"},
					"zhuanli":{title:"专利",channel:"searchPatent"},
					"biaozhun":{title:"标准",channel:"searchStd"},
					"shipin":{title:"视频",channel:"searchVideo"},
					"zixun":{title:"信息资讯",channel:"searchInfo"}
					};
	this.wl=function(s){document.writeln(s)};
	this.output=function(){
		if(config && config.items){
			var classname="on";
			for(var i=0;i<config.items.length;i++){
				var item="";
				item+='<li class="';
				if(i==0){
					item+=classname;
				}
				item+='" ';
				if(config.items[i]=="zhishi"){
					item+='style="display:none;" ';
				}
				item+='id="me_'+i+'">';
				item+='<a href="javascript:changeTag(\'me_'+i+'\',\''+menuitems[ config.items[i] ].channel+'\',\''+menuitems[ config.items[i] ].channel+'\');">'+menuitems[ config.items[i] ].title+'</a></li>';
				this.wl(item);
			}
		}
	};
};