array( id, Title, Link ) $elements = array( 'H'=>array(), 'He'=>array(), 'Li'=>array( lithium, 'Lithium' ), 'Be'=>array( beryllium, 'Beryllium' ), 'B'=>array( boron, 'Boron' ), 'C'=>array( carbon, 'Carbon' ), 'N'=>array(), 'O'=>array(), 'F'=>array(), 'Ne'=>array(), 'Na'=>array( natrium, 'Natrium' ), 'Mg'=>array( magnesium, 'Magnesium' ), 'Al'=>array( aluminium, 'Aluminium' ), 'Si'=>array( silicon, 'Silicon' ), 'P'=>array( phosphorus, 'Phosphorus' ), 'S'=>array( sulfur, 'Sulfur' ), 'Cl'=>array(), 'Ar'=>array(), 'K'=>array( potassium, 'Potassium' ), 'Ca'=>array( calcium, 'Calcium' ), 'Sc'=>array( scandium, 'Scandium' ), 'Ti'=>array( titanium, 'Titanium' ), 'V'=>array( vanadium, 'Vanadium' ), 'Cr'=>array( chromium, 'Chromium' ), 'Mn'=>array( manganese, 'Manganese' ), 'Fe'=>array( iron, 'Iron' ), 'Co'=>array( cobalt, 'Cobalt' ), 'Ni'=>array( nickel, 'Nickel' ), 'Cu'=>array( copper, 'Copper' ), 'Zn'=>array( zinc, 'Zinc' ), 'Ga'=>array( gallium, 'Gallium' ), 'Ge'=>array( germanium, 'Germanium' ), 'As'=>array( arsenic, 'Arsenic' ), 'Se'=>array( selenium, 'Selenium' ), 'Br'=>array(), 'Kr'=>array(), 'Rb'=>array( rubidium, 'Rubidium' ), 'Sr'=>array( strontium, 'Strontium' ), 'Y'=>array( ytterbium, 'Ytterbium' ), 'Zr'=>array( zirconium, 'Zirconium' ), 'Nb'=>array( niobium, 'Niobium' ), 'Mo'=>array( molybdenum, 'Molybdenum' ), 'Tc'=>array(), 'Ru'=>array( ruthenium, 'Ruthenium' ), 'Rh'=>array( rhodium, 'Rhodium' ), 'Pd'=>array( palladium, 'Palladium' ), 'Ag'=>array( silver, 'Silver' ), 'Cd'=>array( cadmium, 'Cadmium' ), 'In'=>array( indium, 'Indium' ), 'Sn'=>array( tin, 'Tin' ), 'Sb'=>array( antimony, 'Antimony' ), 'Te'=>array( tellurium, 'Tellurium' ), 'I'=>array( iodine, 'Iodine'), 'Xe'=>array(), 'Cs'=>array( cesium, 'Cesium' ), 'Ba'=>array( barium, 'Barium' ), 'La'=>array( lanthanum, 'Lanthanum' ), 'Hf'=>array( hafnium, 'Hafnium' ), 'Ta'=>array( tantalum, 'Tantalum' ), 'W'=>array( tungsten, 'Tungsten' ), 'Re'=>array( rhenium, 'Rhenium' ), 'Os'=>array( osmium, 'Osmium' ), 'Ir'=>array( idirium, 'Iridium' ), 'Pt'=>array( platinum, 'Platinum' ), 'Au'=>array( gold, 'Gold' ), 'Hg'=>array( mercury, 'Mercury' ), 'Tl'=>array( thallium, 'Thallium' ), 'Pb'=>array( lead, 'Lead' ), 'Bi'=>array( bismuth, 'Bismuth' ), 'Po'=>array(), 'At'=>array(), 'Ra'=>array(), 'Fr'=>array(), 'Ac'=>array(), 'Ce'=>array( cerium, 'Cerium' ), 'Pr'=>array( praseodymium, 'Praseodymium' ), 'Nd'=>array( neodymium, 'Neodymium' ), 'Pm'=>array(), 'Sm'=>array( samarium, 'Samarium' ), 'Eu'=>array( europium, 'Europium' ), 'Gd'=>array( gadolinum, 'Gadolinum' ), 'Tb'=>array( terbium, 'Terbium' ), 'Dy'=>array( dysprosium, 'Dysprosium' ), 'Ho'=>array( holmium, 'Holmium' ), 'Er'=>array( erbium, 'Erbium'), 'Tm'=>array( thulium, 'Thulium' ), 'Yb'=>array(), 'Lu'=>array( lutetium, 'Lutetium' ) ); if (empty($k)) return ''; else { if (array_key_exists($k, $elements)) { if (!empty($elements[$k][0])) return ''.$k.''; else return ''.$k.''; } } } ?>