function menuShow(menu,button)
{
  menu.style.display='block';  //显示菜单
  button.className='menu_over';  //改变按钮样式
}
function menuHide(menu,button)
{
  menu.style.display='none';  //隐藏菜单
  button.className='menu_normal2';  //恢复按钮样式
}

function loadThreadFollow(t_id,b_id){
	var targetImg =eval("document.all.followImg" + t_id);
	var targetDiv =eval("document.all.follow" + t_id);
	
	if ("object"==typeof(targetImg)){
		if (targetDiv.style.display!='block'){
			targetDiv.style.display="block";
			
		}else{
			targetDiv.style.display="none";
		}
	}
}