IliasNextScoId = null;
IliasNextObjId = null;
	public	final void IliasLaunchSco (String sco_id) {		if (System.currentTimeMillis() < clickTime + 1000) {			say ("Overclicked.");			return;		}		if (isLaunching) {			say ("SCO " +IliasScoId +" is launching.");			return;		}		if (isLaunched && sco_id.equals(IliasScoId)) {			say ("SCO " +sco_id +" is already running.");			return;		}		IliasScoCmi.clear();		clickTime = System.currentTimeMillis();		say ("Launching sco " +sco_id);		if (isLaunched) {			say ("Sco "+IliasScoId +" will be unloaded.");			IliasNextScoId = sco_id;			IliasLaunchContent (				 "../scorm_presentation.php?cmd=unloadSco"				  +"&sco_id="  + IliasScoId			);		} else {			isLaunching = true;			IliasNextScoId = null;			IliasScoId     = sco_id;			IliasLaunchContent (				 "../scorm_presentation.php?cmd=launchSco"				  +"&ref_id="  + IliasRefId				  +"&sco_id="  + IliasScoId			);		}	}