// Initialize all images that will highlight the game levels menu item
gamepics = new Array(10);
gamepics["beginnerL"]         = new Image();
gamepics["beginnerL"].src     = "images/buttons/gameBeginner.gif";
gamepics["beginnerH"]         = new Image();
gamepics["beginnerH"].src     = "images/buttons/gameBeginnerH.gif";
gamepics["noviceL"]           = new Image();
gamepics["noviceL"].src       = "images/buttons/gameNovice.gif";
gamepics["noviceH"]           = new Image();
gamepics["noviceH"].src       = "images/buttons/gameNoviceH.gif";
gamepics["intermediateL"]     = new Image();
gamepics["intermediateL"].src = "images/buttons/gameIntermediate.gif";
gamepics["intermediateH"]     = new Image();
gamepics["intermediateH"].src = "images/buttons/gameIntermediateH.gif";
gamepics["experiencedL"]      = new Image();
gamepics["experiencedL"].src  = "images/buttons/gameExperienced.gif";
gamepics["experiencedH"]      = new Image();
gamepics["experiencedH"].src  = "images/buttons/gameExperiencedH.gif";
gamepics["advancedL"]         = new Image();
gamepics["advancedL"].src     = "images/buttons/gameAdvanced.gif";
gamepics["advancedH"]         = new Image();
gamepics["advancedH"].src     = "images/buttons/gameAdvancedH.gif";

// Change an image
function changeLevel(name, pic)
{
    document.images[name].src = gamepics[pic].src;
}