var imageFiles_20_4 = new Array();
imageFiles_20_4['0'] = new Array ('_images/20_Donuts.gif', '_images/20_DonutsMouseover.gif');
imageFiles_20_4['1'] = new Array ('_images/20_Mandrel_Bends.gif', '_images/20_Mandrel_BendsMouseover.gif');
imageFiles_20_4['2'] = new Array ('_images/20_Reducers.gif', '_images/20_ReducersMouseover.gif');
imageFiles_20_4['3'] = new Array ('_images/20_Radiator_Overflow_Tanks.gif', '_images/20_Radiator_Overflow_TanksMouseover.gif');
imageFiles_20_4['4'] = new Array ('_images/20_Surge_Tanks.gif', '_images/20_Surge_TanksMouseover.gif');
imageFiles_20_4['5'] = new Array ('_images/20_Breather_Tanks.gif', '_images/20_Breather_TanksMouseover.gif');
imageFiles_20_4['6'] = new Array ('_images/20_Velocity_Stacks.gif', '_images/20_Velocity_StacksMouseover.gif');
imageFiles_20_4['7'] = new Array ('_images/20_Podrams.gif', '_images/20_PodramsMouseover.gif');
imageFiles_20_4['8'] = new Array ('_images/20_Turbo_Bellmouths.gif', '_images/20_Turbo_BellmouthsMouseover.gif');
imageFiles_20_4['9'] = new Array ('_images/20_Aluminium_Tube.gif', '_images/20_Aluminium_TubeMouseover.gif');
imageFiles_20_4['10'] = new Array ('_images/20_DIY_Tank_Kits.gif', '_images/20_DIY_Tank_KitsMouseover.gif');
imageFiles_20_4['11'] = new Array ('_images/20_Fittings.gif', '_images/20_FittingsMouseover.gif');
imageFiles_20_4['12'] = new Array ('_images/20_Straight_Silicone_Hose.gif', '_images/20_Straight_Silicone_HoseMouseover.gif');
imageFiles_20_4['13'] = new Array ('_images/20_90_Deg_Silicone_Elbows.gif', '_images/20_90_Deg_Silicone_ElbowsMouseover.gif');
imageFiles_20_4['14'] = new Array ('_images/20_45_Deg_Silicone_Elbows.gif', '_images/20_45_Deg_Silicone_ElbowsMouseover.gif');
imageFiles_20_4['15'] = new Array ('_images/20_Silicone_Elbow_Reducer.gif', '_images/20_Silicone_Elbow_ReducerMouseover.gif');
imageFiles_20_4['16'] = new Array ('_images/20_Straight_Silicone_Reducer.gif', '_images/20_Straight_Silicone_ReducerMouseover.gif');
imageFiles_20_4['17'] = new Array ('_images/20_Steel_Donuts.gif', '_images/20_Steel_DonutsMouseover.gif');
imageFiles_20_4['18'] = new Array ('_images/20_Airboxs.gif', '_images/20_AirboxsMouseover.gif');
imageFiles_20_4['19'] = new Array ('_images/20_Customer_Cars.gif', '_images/20_Customer_CarsMouseover.gif');
imageFiles_20_4['20'] = new Array ('_images/20_Custom_Products.gif', '_images/20_Custom_ProductsMouseover.gif');

function image_on_20_4 (position) {
   var doc = eval("document.image20_4" + position);
   doc.src = imageFiles_20_4[position][1];
}

function image_off_20_4 (position) {
   var doc = eval("document.image20_4" + position);
   doc.src = imageFiles_20_4[position][0];
}