void DoNudgeItemsBeatsBased(bool UseConf,bool Positive, double theNudgeAmount)
{
	MediaTrack* MunRaita;
	MediaItem* CurItem;
 
	int numItems;
	double NudgeAmount=g_command_params.ItemPosNudgeBeats;
	bool ItemSelected=false;
 
	int i;
	int j;
	for (i=0;i<GetNumTracks();i++)
	{
		MunRaita = CSurf_TrackFromID(i+1,FALSE);
		numItems=GetTrackNumMediaItems(MunRaita);
		MediaItem** MediaItemsOnTrack = new MediaItem*[numItems];
 
		for (j=0;j<numItems;j++)
		{
			CurItem = GetTrackMediaItem(MunRaita,j);
			MediaItemsOnTrack[j]=CurItem;
		}
		for (j=0;j<numItems;j++)
		{
			ItemSelected=*(bool*)GetSetMediaItemInfo(MediaItemsOnTrack[j],"B_UISEL",NULL);
			if (ItemSelected==TRUE)
			{
				double NewPos;
				double OldPos=*(double*)GetSetMediaItemInfo(MediaItemsOnTrack[j],"D_POSITION",NULL);
				double OldPosBeats=TimeMap_timeToQN(OldPos);				double NewPosBeats;
				if (Positive)
					NewPosBeats=OldPosBeats+NudgeAmount; else NewPosBeats=OldPosBeats-NudgeAmount;
				NewPos=TimeMap_QNToTime(NewPosBeats);
				GetSetMediaItemInfo(MediaItemsOnTrack[j],"D_POSITION",&NewPos);
			} 
		}
		delete[] MediaItemsOnTrack;
	}
	Undo_OnStateChangeEx("Nudge Item Position(s), Beat Based",4,-1);
	UpdateTimeline();
}