//--------------- 主导航条内容 ------------//
var mainLayer=new Array("关于我们","展会计划","新闻中心","展馆展示","服务指南","参展指南","商旅讯息","预订设施","达沃斯");//主导航栏目

//--------------- 次导航条内容 ------------//
var subLayer0=new Array("展馆简介","公司简介","大事记","总经理致辞","企业文化","联系方式"); //导航栏目一下的次级栏目
var subLayerHttp0=new Array("jianjie.htm","gongsi.htm","shiji.php","zongjingli.htm","wenhua2.php","lianxi.htm");//主导航栏目一下的次级栏目连接地址
var subLayer1=new Array("展览计划","会议计划");//导航栏目二的次级栏目
var subLayerHttp1=new Array("jihua.php","jihua2.php");//主导航栏目二的次级栏目连接地址
var subLayer2=new Array("动态新闻","行业讯息","展会剪影");//导航栏目二的次级栏目
var subLayerHttp2=new Array("genzong.php","news.php","jianying.php");//主导航栏目二的次级栏目连接地址
var subLayer3=new Array("展馆平面图","配套设施","技术参数");//导航栏目二的次级栏目
var subLayerHttp3=new Array("zhanshi.htm","sheshi.htm","ssgk.htm");//主导航栏目二的次级栏目连接地址
var subLayer4=new Array("展场租用","会议区租用","广告服务","网络信息服务","展具设备租赁","工程服务","其他类服务");//导航栏目二的次级栏目
var subLayerHttp4=new Array("zhaoshang.htm","hyzy.htm","guanggao.htm","wangluo.htm","zjzl.htm","ysfw.htm","qita.htm");//主导航栏目二的次级栏目连接地址
var subLayer5=new Array("布展须知","消防安全规定","施工管理规定","设备管理规定","运输管理规定");//导航栏目二的次级栏目
var subLayerHttp5=new Array("fuwu.htm","xf2.htm","shigongguanli.htm","shebeiguanli.htm","yunshuguanli.htm");//主导航栏目二的次级栏目连接地址
var subLayer6=new Array("公交指南","酒店信息","文化旅游");//导航栏目二的次级栏目
var subLayerHttp6=new Array("shanglv.htm","chengshi.htm","wenhua.htm");//主导航栏目二的次级栏目连接地址
var subLayer7=new Array("预订场地表格","预订会议室");//导航栏目二的次级栏目
var subLayerHttp7=new Array("rencai.htm","shenqingbiao2.htm");//主导航栏目二的次级栏目连接地址
var subLayer8=new Array("图片展播","有关达沃斯","论坛报道","论坛图片");//导航栏目二的次级栏目
var subLayerHttp8=new Array("dawosi.htm","dawosi1.php","dawosi2.php","dawosi3.php");//主导航栏目二的次级栏目连接地址
//var subLayer9=new Array("企业邮箱");//导航栏目二的次级栏目
//var subLayerHttp9=new Array("http://mail.dl-expo.com/igenus/login.php");//主导航栏目二的次级栏目连接地址
//var subLayer10=new Array("English");//导航栏目二的次级栏目
//var subLayerHttp10=new Array("enjianjie.htm");//主导航栏目二的次级栏目连接地址


//--------------- 主导航条Table参数调整 ------------//
var mainTableTdWidth=75; //每个TD的宽度，调整主导航内容间距
var mainTableBorder=0; //调整主导航表格边框宽度
var mainTableCellspacing=0; //调整主导航表格Cellspacing
var mainTableCellpadding=0; //调整主导航表格Cellpadding
var mainTableBgcolor=""; //调整主导航表格背景色
var mainTableBordercolor=""; //调整主导航表格编框颜色
var mainTableBackgroundImg=""; //调整主导航表格背景图片url地址
var hrefClassName="link" //调整url风格样式
var mainTableTdBgcolor=""; //调整主导航表格Td色

//--------------- 次导航条Table参数调整 ------------//
var subTableBorder=0; //调整次导航条表格边框宽度
var subTableCellspacing=3; //调整次导航条表格Cellspacing
var subTableCellpadding=1; //调整次导航条表格Cellpadding
var subTableBgcolor="#ffffff"; //调整次导航条表格背景色
var subTableBordercolor="#BACBD7"; //次导航条表格编框颜色
var subTableBackgroundImg=""; //次导航条表格背景图片url地址
var subTableTdBgcolor="BBCCD7"; //调整次导航表格Td色
var sbuTabbleTop=17; //次导航表格上下微调
var sbuTabbleLeft=-30; //次导航表格左右微调

//--------------- 系统参数*请勿调整 ------------//
var layerMax=mainLayer.length+10;
var layerName="index";

//--------------- 生成下拉菜单 ------------//
function createMainLayer(){ 
document.write("<div id='wall' onmouseout=layervib('visible','"+layerMax+"') style='position:relative; left:0px; top:0px; width:75%; z-index:1' align='center'><table width="+(mainLayer.length+1)*mainTableTdWidth+"border='"+mainTableBorder+"' cellspacing='"+mainTableCellpadding+"' cellpadding='"+mainTableCellpadding+"' bgcolor='"+mainTableBgcolor+"' bordercolor='"+mainTableBordercolor+"' background='"+mainTableBackgroundImg+"' align=center><tr>");
for(i=0;i<mainLayer.length;i++){
document.write("<td width='"+mainTableTdWidth+"' bgcolor='"+mainTableTdBgcolor+"' class='"+hrefClassName+"' onmouseover=layervib('visible','"+i+"')> <a href='#'>"+mainLayer[i]+"</a></td>");
}
document.write("<td width=55><a href='http://mail.dl-expo.com' target='_blank'>企业邮箱</a></td>");
document.write("</tr></table>");
for(j=0;j<mainLayer.length;j++){
createSubLayer(j);
}
document.write("</div>");
}


//--------------- 生成每项下拉菜单内容 ------------//
function createSubLayer(num){
var subLayerName= layerName +num;
var subLayerLeft=(mainTableTdWidth*num)+mainTableCellpadding+mainTableBorder;
var subLayerList=eval("subLayer"+num);
var subLayerHttpList=eval("subLayerHttp"+num);
document.write("<div id='"+subLayerName+"' style='position:absolute; left:"+(subLayerLeft+sbuTabbleLeft)+"px; top:"+((mainTableBorder+mainTableCellspacing+mainTableCellpadding)*2+sbuTabbleTop)+"px; z-index:2; height: 24px; visibility: hidden' onmouseover=layervib('visible','"+num+"') onmouseout=layervib('visible','"+layerMax+"')>");
if(subLayerList.length!=0){
document.write("<table width='90px' border='"+subTableBorder+"' cellspacing='"+subTableCellpadding+"' cellpadding='"+subTableCellpadding+"' bgcolor='"+subTableBgcolor+"' bordercolor='"+subTableBordercolor+"' background='"+subTableBackgroundImg+"'>") 
for(h=0;h<subLayerList.length;h++){ 

document.write("<tr><td bgcolor='"+subTableTdBgcolor+"'> <a href='"+ subLayerHttpList [h]+"'>"+subLayerList[h]+"</a> </td></tr>");
}
document.write("</table>");
}
document.write("</div>"); 

}

//------------------------------次菜单显隐控制--------------------------//
function layervib(type,num){
var H=type;
var temp=(H='visible'?'hidden':'visible')
for(var i=0;i<mainLayer.length;i++){
var E=eval('document.all.index'+i+'.style');
var H=eval(i);
if(i==num){E.visibility=type}else{E.visibility=temp};
}
}