//公告切换
function show(object_id)
{
object = document.getElementById(object_id);
object.style.display='block';
}
function hide(object_id)
{
object = document.getElementById(object_id);
object.style.display='none';
}



//标签切换
var GO = function(elemId)
	{
		return document.getElementById(elemId);
	}
	function menu(mid,idx)
	{
		class_name = 'menu_0' + idx;	
		GO("m_"+mid+"_"+idx).className = class_name + ' on';
		GO("c_"+mid+"_"+idx).style.display = "";
		for(var i=1;i<9;i++)
		{
			class_name = 'menu_0' + i;	
			if(!GO("m_"+mid+"_"+i)) continue;
			if(i != idx)
			{
				GO("m_"+mid+"_"+i).className = class_name;
				GO("c_"+mid+"_"+i).style.display = "none";
			}
		}
	}	
	function menu2(mid,idx)
	{
		class_name = 'menu2_0' + idx;	
		GO("m2_"+mid+"_"+idx).className = class_name + ' on';
		GO("c2_"+mid+"_"+idx).style.display = "";
		for(var i=1;i<10;i++)
		{
			class_name = 'menu2_0' + i;	
			if(!GO("m2_"+mid+"_"+i)) continue;
			if(i != idx)
			{
				GO("m2_"+mid+"_"+i).className = class_name;
				GO("c2_"+mid+"_"+i).style.display = "none";
			}
		}
	}