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diff --git a/intern/ghost/intern/GHOST_TimerManager.cpp b/intern/ghost/intern/GHOST_TimerManager.cpp
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+++ b/intern/ghost/intern/GHOST_TimerManager.cpp
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+/**
+ * $Id$
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+/**
+
+ * $Id$
+ * Copyright (C) 2001 NaN Technologies B.V.
+ * @author	Maarten Gribnau
+ * @date	May 31, 2001
+ */
+
+#include "GHOST_TimerManager.h"
+
+#include <algorithm>
+
+#include "GHOST_TimerTask.h"
+
+
+GHOST_TimerManager::GHOST_TimerManager()
+{
+}
+
+
+GHOST_TimerManager::~GHOST_TimerManager()
+{
+	disposeTimers();
+}
+
+
+GHOST_TUns32 GHOST_TimerManager::getNumTimers()
+{
+	return (GHOST_TUns32)m_timers.size();
+}
+
+
+bool GHOST_TimerManager::getTimerFound(GHOST_TimerTask* timer)
+{
+	TTimerVector::const_iterator iter = std::find(m_timers.begin(), m_timers.end(), timer);
+	return iter != m_timers.end();
+}
+
+
+GHOST_TSuccess GHOST_TimerManager::addTimer(GHOST_TimerTask* timer)
+{
+	GHOST_TSuccess success;
+	if (!getTimerFound(timer)) {
+		// Add the timer task
+		m_timers.push_back(timer);
+		success = GHOST_kSuccess;
+	}
+	else {
+		success = GHOST_kFailure;
+	}
+	return success;
+}
+
+
+GHOST_TSuccess GHOST_TimerManager::removeTimer(GHOST_TimerTask* timer)
+{
+	GHOST_TSuccess success;
+	TTimerVector::iterator iter = std::find(m_timers.begin(), m_timers.end(), timer);
+	if (iter != m_timers.end()) {
+		// Remove the timer task
+		m_timers.erase(iter);
+		delete timer;
+		timer = 0;
+		success = GHOST_kSuccess;
+	}
+	else {
+		success = GHOST_kFailure;
+	}
+	return success;
+}
+
+GHOST_TUns64 GHOST_TimerManager::nextFireTime()
+{
+	GHOST_TUns64 smallest = GHOST_kFireTimeNever;
+	TTimerVector::iterator iter;
+	
+	for (iter = m_timers.begin(); iter != m_timers.end(); iter++) {
+		GHOST_TUns64 next = (*iter)->getNext();
+		
+		if (next<smallest)
+			smallest = next;
+	}
+	
+	return smallest;
+}
+
+bool GHOST_TimerManager::fireTimers(GHOST_TUns64 time)
+{
+	TTimerVector::iterator iter;
+	bool anyProcessed = false;
+
+	for (iter = m_timers.begin(); iter != m_timers.end(); iter++) {
+		if (fireTimer(time, *iter))
+			anyProcessed = true;
+	}
+
+	return anyProcessed;
+}
+
+
+bool GHOST_TimerManager::fireTimer(GHOST_TUns64 time, GHOST_TimerTask* task)
+{
+	GHOST_TUns64 next = task->getNext();
+
+	// Check if the timer should be fired
+	if (time > next) {
+		// Fire the timer
+		GHOST_TimerProcPtr timerProc = task->getTimerProc();
+		GHOST_TUns64 start = task->getStart();
+		timerProc(task, time - start);
+
+		// Update the time at which we will fire it again
+		GHOST_TUns64 interval = task->getInterval();
+		GHOST_TUns64 numCalls = (next - start) / interval;
+		numCalls++;
+		next = start + numCalls * interval;
+		task->setNext(next);
+
+		return true;
+	} else {
+		return false;
+	}
+}
+
+
+void GHOST_TimerManager::disposeTimers()
+{
+	while (m_timers.size() > 0) {
+		delete m_timers[0];
+		m_timers.erase(m_timers.begin());
+	}
+}