/* RollOver */
function menuBtn01on(){
document.btnImg1.src = "common/imgs/btn_01on.jpg";
}
function menuBtn01of(){
document.btnImg1.src = "common/imgs/btn_01of.jpg";
}
function menuBtn02on(){
document.btnImg2.src = "common/imgs/btn_02on.jpg";
}
function menuBtn02of(){
document.btnImg2.src = "common/imgs/btn_02of.jpg";
}
function menuBtn03on(){
document.btnImg3.src = "common/imgs/btn_03on.jpg";
}
function menuBtn03of(){
document.btnImg3.src = "common/imgs/btn_03of.jpg";
}
function menuBtn04on(){
document.btnImg4.src = "common/imgs/btn_04on.jpg";
}
function menuBtn04of(){
document.btnImg4.src = "common/imgs/btn_04of.jpg";
}