//ÆÕͨ²úƷĿ¼


var aaa = document.getElementsByTagName('div');
	var j =0;
	for(i=0;i<aaa.length;i++)
	{
		if(aaa[i].id.indexOf('submenu_')>-1)		
		{
			aaa[i].style.display = '';
			break;
		}
	}	
function showsubmenu(sid)
{
	var aaa = document.getElementsByTagName('div');
	var j =0;
	for(i=0;i<aaa.length;i++)
	{
		if(aaa[i].id.indexOf('submenu_')>-1)			
			aaa[i].style.display = 'none';
	}	
	var bbb = document.getElementById("submenu_" + sid );
	bbb.style.display= '';
}