var mainMenuHtml = "<div id='mainMenuBar'>"+
"<table width='100%' cellpadding='1' cellspacing='0' border='0'>"+
"  <tr>"+
"  <td onmouseover='showSubMenu(-1)'><a href=''>首页</a></td>"+
"  <td onmouseover='showSubMenu(0)'><a href='product.asp?classid=channalive'>软件介绍</a></td>"+
"  <td onmouseover='showSubMenu(1)'><a href='solution.asp?classid=channalive'>解决方案</a></td>"+
"  <td onmouseover='showSubMenu(2)'><a href='download.asp?classid=channalive'>软件下载</a></td>"+
"  <td onmouseover='showSubMenu(3)'><a href='demo.asp?classid=channalive'>软件演示</a></td>"+
"  <td onmouseover='showSubMenu(4)'><a href='bbs.asp'>用户论坛</a></td>"+
"  <td><br/>English</td>"+
"  </tr>"+
/*
"  <tr class='navLine'>"+
"  <td></td>"+
"  <td></td>"+
"  <td></td>"+
"  <td></td>"+
"  <td></td>"+
"  <td></td>"+
"  <td></td>"+
"  <td></td>"+
"  </tr>"+
*/
"</table>"+
//"</div>"+
//"<div id='subMenuBar'>"+
"</div>";
document.write(mainMenuHtml);

var mainmenu = new Array();
var submenu0 = new Array();
submenu0[0] = new Array("关于我们","aboutus.asp?classid=aboutus","");//菜单名，页面url，目标窗口（如“_blank”在新窗口打开链接；为“”则在本窗口打开）
submenu0[1] = new Array("联系方式","aboutus.asp?classid=contact","");
mainmenu[0] = submenu0;

var submenu1 = new Array();
submenu1[0] = new Array("MiniGK","productsintro.asp?classid=minigk","");
submenu1[1] = new Array("WebPhone","productsintro.asp?classid=webphone","");
submenu1[2] = new Array("H323Libary","productsintro.asp?classid=h323libary","");
mainmenu[1] = submenu1;

var submenu2 = new Array();
submenu2[0] = new Array("MiniGK","productsdemo.asp?classid=minigk","");
submenu2[1] = new Array("WebPhone","productsdemo.asp?classid=webphone","");
mainmenu[2] = submenu2;

var submenu3 = new Array();
submenu3[0] = new Array("MiniGK","support.asp?classid=minigk","");
submenu3[1] = new Array("WebPhone","support.asp?classid=webphone","");
submenu3[2] = new Array("H323Libary","support.asp?classid=h323libary","");
submenu3[3] = new Array("软件下载","support.asp?classid=download","");
submenu3[4] = new Array("其他","support.asp?classid=other","");
mainmenu[3] = submenu3;

var submenu4 = new Array();
submenu4[0] = new Array("虚拟运营","solution.asp?classid=xnyy","");
submenu4[1] = new Array("集团用户","solution.asp?classid=jtyh","");
submenu4[2] = new Array("企业办公","solution.asp?classid=qybg","");
submenu4[3] = new Array("话吧用户","solution.asp?classid=hbyh","");
submenu4[4] = new Array("个人用户","solution.asp?classid=gryh","");
mainmenu[4] = submenu4;

var submenu5 = new Array();
submenu5[0] = new Array("在线呼叫","service.asp?classid=online","");
submenu5[1] = new Array("其他","service.asp?classid=other","");
mainmenu[5] = submenu5;



function showSubMenu(menuid){
    for(var i=0;i<mainMenuBar.firstChild.rows(0).cells.length;i++){
        mainMenuBar.firstChild.rows(0).cells(i).className = "";
 //      mainMenuBar.firstChild.rows(1).cells(i).className = "navLine";
    }
    mainMenuBar.firstChild.rows(0).cells(menuid+1).className="mainbg_over";
 //   mainMenuBar.firstChild.rows(1).cells(menuid+1).className="navLine_over";
  //  if(menuid==-1){ subMenuBar.innerHTML="<table><tr><td>&nbsp;</td></tr></table>"; return;}
    
 /*
   var submenu = mainmenu[menuid];
   subMenuBar.innerHTML = "";
    var subtab = document.createElement("table");
    subMenuBar.insertBefore(subtab);
    var subtr = subtab.insertRow(0);
    var subtd = subtr.insertCell(0);
    subtd.style["width"] = "100px";
    var atag = "";

   for(var i=0;i<submenu.length;i++){
        if(i>0) atag +=" &nbsp;|&nbsp; ";
        atag += "<a href='"+submenu[i][1]+"'";
        if(submenu[i][2]!=""){
          atag+=" target='"+submenu[i][2]+"'";
        }
        atag+=">"+submenu[i][0]+"</a>";
    }
    subtd.innerHTML = atag;
    */
}
 
 showSubMenu(defaultMenuId);//默认选中的导航栏id，在每个主页面定义（见具体页面），id从0开始