var cats = new Array("always first element blank","A-Mazing Robots|robot|TE","Aluminum Boats|boats|PS","Animal Attraction|botany|BS-ES","Balloon Car|ballooncar|O","Breathing Yeasties|yeasties|BS-C-MA-SS","Build A Raft|buildaraft|MA","Build A Treetop Walkway|treetopwalk|PS-TE","Build And Test A Paper Bridge|paperbridge|PS-TE","Build Blocks|buildblocks|MA","Cartoons|cartoons|MA","Catapult|catapult|O","Catch the Wave!|japan|MH-PS-TE","Comet Cratering|comet|ES-MA-SP","DNA Detective|dna|BS-C-O-TE","Eggs at Rest Stay at Rest|eggs|PS","Exploring With Sound|sound|PS","Fork it Over|forkitover|PS","Fun with Stress|funstress|O","Got Gas?|electrolysis|C-ES-PS","Gravity In Action|gravity|PS-SP","Great Balls of Goop|greatgoop|O","Hilarious Honker|honker|PS-TE","Hit The Spot!|usopen|MA-O-PS","How Do Probes Get To Space|probes|SP-TE","Iron for Breakfast|ironbreakfast|O","It?s All in the Wrist|inwrist|O","Kaleidoscope|kaleidoscope|O","Kool Colors|koolcolors|C","Let It Roll|letitroll|PS-TE","Lightning Calculator|lightning|O","Loony Balloons|balloons|MA","Loopy Geometry|geometry|MA","Lung Capacity|lung|BS-MA-MH","Making Waves|makewaves|O","Marble Run|marblerun|MA","Mini Vortex|minivortex|O","Mummy Magic|mummy|BS-C-SS","Musical Coat Hangers|coathangers|PS","Mysterious Melodies|denver|MH-PS-TE","Nosedive|nosedive|PS-TE","Ocean Echolocation|echolocation|O","Oil Slick|oilslick|C-SS","Penny for your Thoughts|pennythoughts|C-PS","Pepper Scatter|pepper|C","Reaction Time|reactiontime|O","Rocket Pinwheel|rocketpinwheel|O","Salt, Soil and Seeds|saltsoilandseeds|BS-ES","Save Your Skin|sunscreen|BS-C-MH","Say Cheese!|saycheese|C","Scream for Ice Cream|icecream|C","Seafood Surgery|surgery|MH","Seeing 3-D|seeing3d|MA","Shark Sense of Smell|sharksense|BS-C","Shrinky Dinks|shrinkydinks|O","Soda Explosion|sodaexplosion|O","Spaghetti Bridge|spaghettibridge|PS-TE","Speed, Eggs and Slam!|newtonseggs|PS","Stadium Seat Science|stadiumseat|PS","Stick to It!|stick|C-TE","Surface Tension|surfacetension|O","Thaumatrope Illusion|thaumatrope|O","The Straw Flute|strawflute|O","The Waterless Snow Globe|snowglobe|O","Tie Dyed Milk|tiedyedmilk|MA","Touchy Feely Bags|touchy|O","Turbidity|turbidity|ES","Underwater Fireworks|fireworks|O","Up And Over|upandover|PS","Water Cycle in a Bag|watercycle|O","Wave Machine|wavemachine|MA-PS","Wind Mapping with Bubbles|windbubbles|ES","Wingin? It|wingit|BS-MA-PS-TE");