function showTip(id)
	{
		tips = new Array();
					tips[0] = 'A virtual world is a simulated environment which is designed so that elements, such as robot arms, can interact with other elements within its world.  Some virtual worlds allow for simultaneous interaction among several active elements, such as multiple robot arms to allow for greater complexity and more advanced "knowledge acquisition".';
						tips[1] = 'A control signal is an electrical current or voltage which is used to control other devices by varying the signal strength.';
						tips[2] = 'The term real-time simulation applies to any event which is occurring in the simulated environment without any delay between the event occurring and the event being noted.';
						tips[3] = 'Geometry, or geometric, modeling is a type of applied mathematics that uses computational geometry to determine that mathematical description of shapes.  These shapes are usually two- or three-dimensional with their shapes defined by an algorithm that generates its appearance.';
						tips[4] = 'Kinematic modeling is based on the spatial arrangement of the axes of movement in relation to each other.';
						tips[5] = 'A pick and place robot is a simple robot with two to four axes of motion used to move components from one location to another.';
						tips[6] = 'Palletizing is the method used to evenly and effectively stack objects, such as boxes, onto a square pallet which can be moved by a machine such as a forklift.';
						tips[7] = 'Welding is a process in which two pieces of metal are joined, usually by heating them until molten, so that they fuse together.  The most popular type of robot in welding applications is the jointed arm, or revolute type of robot.';
						tips[8] = 'Spray painting is a popular application for robots and allows the use of highly volatile paint solvents which speed up the drying process.';
						tips[9] = 'The travel range of a robot is the area within the work envelope that the robot end effector is capable of reaching.  The size and shape of a robot travel range is based on its reach-ability and the extent, number, type and order of its axes and programmed instructions.';
						tips[10] = 'Many accidents caused by collisions with industrial robots are due to the unexpected movements of the robot.  The majority of robot collisions occur during programming, touch-up, maintenance, adjustment, testing or repair of robots.';
						tips[11] = 'Analog detection devices include transducers which are capable of converting one form of energy, such as electrical, into another form, such as mechanical.';
						tips[12] = 'Digital detection devices uses binary electronic signals to detect, measure, and control equipment and systems.';
						tips[13] = 'Cycle time represents the interval of space or time in which one set of events is completed.';
						tips[14] = 'An automated manufacturing process is one in which there is no manual intervention in the process and all tasks are executed by pre-programmed instructions.';
						tips[15] = 'A tracked object is an object that is monitored by a robot’s proximity or vision detection system.';
						tips[16] = 'Jogged commands';
						tips[17] = 'Feedrate is the velocity at which a control device is fed.  For example, the solder wire being fed to a robot welder would have a measurable feedrate.  ';
						tips[18] = 'Angular movement, or displacement, is the angle through which a point or line has been rotated about an axis.';
						tips[19] = 'Linear displacement is a measure of both the direction and distance that an object travels in a linear direction.';
						tips[20] = 'Jogging is the repeated incremental movements, or inching, of a robot’s end effector toward its desired location.  A motor can be jogged by the quickly repeated closure of a circuit to start a motor from rest for the purpose of accomplishing incremental movements of the driven machine.';
						tips[21] = 'The work envelope is the maximum reach of a robot while in full extension of the axes of the mechanical manipulator.';
						tips[22] = 'De-palletizing is the process of removing stacked objects, such as boxes, from a pallet and placing them at a pre-determined point or points.';
					Tip(tips[id]);
	}