//向上移动
function up(obj)
{

	
	var thisID = Number(obj.id);
	if (thisID==0)
	{
		return;
	}
	var nextID;
	//获取上一个DIV内容

	for (var i=0;i<playList.length;i++)
	{
		if (Number(thisID)==i)
		{
			thisID = i;
			nextID = i-1;
			break;
		}
	}


	var c_list1 = playList[thisID];
	var c_list2 = playList[nextID];

	playList[nextID] = c_list1;
	playList[thisID] = c_list2;
	var allList = [];
	allList = playList;
	//删除目前得所有列表
	var playListLength = playList.length;
	for (var i=0; i<playListLength; i++ )
	{
		try
		{
			document.getElementById('divTop_'+playList[i].id).parentNode.removeChild(document.getElementById('divTop_'+playList[i].id));
		} catch(e) {}
	}
	playList = [];
	playListNumber = -1;
	//重新组件
	for (var i=0;i<allList.length;i++)
	{
		try
		{
		addToMyPlayList(allList[i].list.toString());
		} catch(e) {alert(e);}
	}
	playList = allList;


}




//向下移动
function down(obj)
{
	var thisID = Number(obj.id);
	if (thisID==playList.length-1)
	{
		return;
	}
	var nextID;
	//获取上一个DIV内容

	for (var i=0;i<playList.length;i++)
	{
		if (Number(thisID)==i)
		{
			thisID = i;
			nextID = i+1;
			break;
		}
	}


	var c_list1 = playList[thisID];
	var c_list2 = playList[nextID];

	playList[nextID] = c_list1;
	playList[thisID] = c_list2;
	var allList = [];
	allList = playList;
	//删除目前得所有列表
	var playListLength = playList.length;
	for (var i=0; i<playListLength; i++ )
	{
		try
		{
			document.getElementById('divTop_'+playList[i].id).parentNode.removeChild(document.getElementById('divTop_'+playList[i].id));
		} catch(e) {}
	}
	playList = [];
	playListNumber = -1;
	//重新组件
	for (var i=0;i<allList.length;i++)
	{
		try
		{
		addToMyPlayList(allList[i].list.toString());
		} catch(e) {alert(e);}
	}
	playList = allList;

}