//   追加单个菜单	
     //   sName    : 菜单名
     //   sID      : 栏目ID
     //   sUrl     : 菜单对应链接


function addmenu(sName,sId,sUrl) {
   var mainnavi = document.getElementById("main_navi");

   var mainul = document.createElement("ul");
   mainul.setAttribute("className","main_ul");
   mainul.setAttribute("class","main_ul");
   mainul.setAttribute("id", sId);
   
   var mainli1 = document.createElement("li");
   mainli1.setAttribute("className","main_li1");
   mainli1.setAttribute("class","main_li1");
   
   var mainli2 = document.createElement("li");
   mainli2.setAttribute("className","main_li2");
   mainli2.setAttribute("class","main_li2");

   var maina = document.createElement("a");
   maina.setAttribute("href", sUrl);
   if (flash_id.substring(0,4) == sId) 
   {
//       alert(flash_id + ',' + sId);
       maina.setAttribute("className","subnavon");
       maina.setAttribute("class","subnavon");
	}
    else 
   {
        maina.setAttribute("className","subnav");
        maina.setAttribute("class","subnav");
   }
   maina.innerHTML = sName;

   var img = document.createElement("img");
   img.setAttribute("src","/sseportal/en/images/menu_line.gif");
   
   mainli2.appendChild(img);
   mainul.appendChild(mainli1);//先显示文字再显示图片08.08.25
   mainli1.appendChild(maina);
   mainul.appendChild(mainli2);
   
   mainnavi.appendChild(mainul);
}
										

function writenonnav(flash_id) {
	
	var tg = document.getElementById("main_navi");
    var arrayname = 'topic_'+flash_id.substr(0,2);
	//  当前栏目展开显示
	writenav(arrayname,flash_id);

}



	//  showmode  0: 当前栏目展开显示   1:仅展开到当前栏目下一级菜单  2：仅展开到当前栏目上一级菜单
function writenav(arrayname, flash_id) {
//	category = arrayname;
    var arrayname = 'topic_'+flash_id.substr(0,2);

	var category = eval(arrayname);
	
	
	for(var i=0;i<category.length;i++)
	{
          	        addmenu(category[i][0], category[i][1], category[i][3], category[i][4]);	

	}

}	
writenonnav(flash_id);