function changeColorOn1()
{document.getElementById("menu1").style.backgroundColor="aqua";};

function changeColorOff1()
{document.getElementById("menu1").style.backgroundColor="aliceblue";};
function changeColorOn2(){document.getElementById("menu2").style.backgroundColor="aqua";};function changeColorOff2(){document.getElementById("menu2").style.backgroundColor="aliceblue";};function changeColorOn3(){document.getElementById("menu3").style.backgroundColor="aqua";};function changeColorOff3(){document.getElementById("menu3").style.backgroundColor="aliceblue";};function changeColorOn4(){document.getElementById("menu4").style.backgroundColor="aqua";};function changeColorOff4(){document.getElementById("menu4").style.backgroundColor="aliceblue";};function changeColorOn5(){document.getElementById("menu5").style.backgroundColor="aqua";};function changeColorOff5(){document.getElementById("menu5").style.backgroundColor="aliceblue";};function changeColorOn6(){document.getElementById("menu6").style.backgroundColor="aqua";};function changeColorOff6(){document.getElementById("menu6").style.backgroundColor="aliceblue";};function changeColorOn7(){document.getElementById("menu7").style.backgroundColor="aqua";};function changeColorOff7(){document.getElementById("menu7").style.backgroundColor="aliceblue";};function changeColorOn8(){document.getElementById("menu8").style.backgroundColor="aqua";};function changeColorOff8(){document.getElementById("menu8").style.backgroundColor="aliceblue";};function changeColorOn9(){document.getElementById("menu9").style.backgroundColor="aqua";};function changeColorOff9(){document.getElementById("menu9").style.backgroundColor="aliceblue";};function changeColorOn10(){document.getElementById("menu10").style.backgroundColor="aqua";};function changeColorOff10(){document.getElementById("menu10").style.backgroundColor="aliceblue";};function changeColorOn11(){document.getElementById("menu11").style.backgroundColor="aqua";};function changeColorOff11(){document.getElementById("menu11").style.backgroundColor="aliceblue";};function changeColorOnJAPAN(){document.getElementById("JAPAN").style.backgroundColor="lightgrey";};function changeColorOffJAPAN(){document.getElementById("JAPAN").style.backgroundColor="white";};function changeColorOnKOREAN(){document.getElementById("KOREAN").style.backgroundColor="lightgrey";};function changeColorOffKOREAN(){document.getElementById("KOREAN").style.backgroundColor="white";};function changeColorOnCHINESE(){document.getElementById("CHINESE").style.backgroundColor="lightgrey";};function changeColorOffCHINESE(){document.getElementById("CHINESE").style.backgroundColor="white";};function changeColorOnENGLISH(){document.getElementById("ENGLISH").style.backgroundColor="lightgrey";};function changeColorOffENGLISH(){document.getElementById("ENGLISH").style.backgroundColor="white";};