//显示/关闭 二级级菜单
function sTab(IdName,num,n)
{
 
 for(var id = 1;id<=n;id++)
 {
  var ss=IdName+id;
  
  if(id==num)
  {
  document.getElementById(ss).style.display="block";
  }else{
  document.getElementById(ss).style.display="none";
 }  
 }
}

//开关层
function sBlock(IdName) { document.getElementById(IdName).style.display="block"; }
function sHide(IdName) { document.getElementById(IdName).style.display="none"; }

//首页左侧tab
function changdiv(n,objId,div,max)
{
	tabOver ="sTabOver";
	tabOut ="sTabOut";
	
	for(i=0;i<=max-1;i++)
	{
	    var ObjCtlTd = objId + i;
		var block = document.getElementById(ObjCtlTd);
        if (i==n)
            block.setAttribute("className",tabOver);
        else
            block.setAttribute("className",tabOut);
	}

	for(i=0;i<=max-1;i++)
	{
        var ObjCtlDiv = eval (div + i);
        if (i==n)
            ObjCtlDiv.style.display = "";
        else
            ObjCtlDiv.style.display = "none";
	}
}