var _swpnv;
var _swpnv_sub;
//window.onload=function()
//{
	_swpnv=document.getElementsByName("swpnv");
	_swpnv_sub=document.getElementsByName("swpnv_sub")
	for (var i=0;i<_swpnv.length;i++)
	{
		_swpnv[i].onclick=function()
		{
			var _tmp=0;
			for (var i=0;i<_swpnv.length;i++)
			{
				_swpnv[i].className='';
				_swpnv_sub[i].className='stg';
				if(_swpnv[i]==this) _tmp=i;
			}
			this.className='current';
			if(_swpnv_sub[_tmp]){
				_swpnv_sub[_tmp].className='stg_current';
			}
		}
	}
//}