function switchAreaBox01(){
	document.getElementById('spongeNoiseBox01').style.height = 'auto';
	document.getElementById('spongeNoiseBox01').style.overflow = 'visible';
	document.getElementById('spongeNoiseBox01').style.visibility = 'visible';
	document.getElementById('spongeBtnHollowRollOver').style.height = 'auto';
	document.getElementById('spongeBtnHollowRollOver').style.overflow = 'visible';
	document.getElementById('spongeBtnHollowRollOver').style.visibility = 'visible';
	document.getElementById('spongeBtnHollowRollOut').style.height = '0px';
	document.getElementById('spongeBtnHollowRollOut').style.overflow = 'hidden';
	document.getElementById('spongeBtnHollowRollOut').style.visibility = 'hidden';
	switchAreaBox02Vanish();
	switchAreaBox03Vanish();
}

function switchAreaBox02(){
	document.getElementById('spongeNoiseBox02').style.height = 'auto';
	document.getElementById('spongeNoiseBox02').style.overflow = 'visible';
	document.getElementById('spongeNoiseBox02').style.visibility = 'visible';
	document.getElementById('spongeBtnRoadRollOver').style.height = 'auto';
	document.getElementById('spongeBtnRoadRollOver').style.overflow = 'visible';
	document.getElementById('spongeBtnRoadRollOver').style.visibility = 'visible';
	document.getElementById('spongeBtnRoadRollOut').style.height = '0px';
	document.getElementById('spongeBtnRoadRollOut').style.overflow = 'hidden';
	document.getElementById('spongeBtnRoadRollOut').style.visibility = 'hidden';
	switchAreaBox01Vanish();
	switchAreaBox03Vanish();
}

function switchAreaBox03(){
	document.getElementById('spongeNoiseBox03').style.height = 'auto';
	document.getElementById('spongeNoiseBox03').style.overflow = 'visible';
	document.getElementById('spongeNoiseBox03').style.visibility = 'visible';
	document.getElementById('spongeBtnPatternRollOver').style.height = 'auto';
	document.getElementById('spongeBtnPatternRollOver').style.overflow = 'visible';
	document.getElementById('spongeBtnPatternRollOver').style.visibility = 'visible';
	document.getElementById('spongeBtnPatternRollOut').style.height = '0px';
	document.getElementById('spongeBtnPatternRollOut').style.overflow = 'hidden';
	document.getElementById('spongeBtnPatternRollOut').style.visibility = 'hidden';
	switchAreaBox01Vanish();
	switchAreaBox02Vanish();
}

function switchAreaBox01Vanish(){
	document.getElementById('spongeNoiseBox01').style.height = '0px';
	document.getElementById('spongeNoiseBox01').style.overflow = 'hidden';
	document.getElementById('spongeNoiseBox01').style.visibility = 'hidden';
	document.getElementById('spongeBtnHollowRollOut').style.height = 'auto';
	document.getElementById('spongeBtnHollowRollOut').style.overflow = 'visible';
	document.getElementById('spongeBtnHollowRollOut').style.visibility = 'visible';
	document.getElementById('spongeBtnHollowRollOver').style.height = '0px';
	document.getElementById('spongeBtnHollowRollOver').style.overflow = 'hidden';
	document.getElementById('spongeBtnHollowRollOver').style.visibility = 'hidden';
}

function switchAreaBox02Vanish(){
	document.getElementById('spongeNoiseBox02').style.height = '0px';
	document.getElementById('spongeNoiseBox02').style.overflow = 'hidden';
	document.getElementById('spongeNoiseBox02').style.visibility = 'hidden';
	document.getElementById('spongeBtnRoadRollOut').style.height = 'auto';
	document.getElementById('spongeBtnRoadRollOut').style.overflow = 'visible';
	document.getElementById('spongeBtnRoadRollOut').style.visibility = 'visible';
	document.getElementById('spongeBtnRoadRollOver').style.height = '0px';
	document.getElementById('spongeBtnRoadRollOver').style.overflow = 'hidden';
	document.getElementById('spongeBtnRoadRollOver').style.visibility = 'hidden';
}

function switchAreaBox03Vanish(){
	document.getElementById('spongeNoiseBox03').style.height = '0px';
	document.getElementById('spongeNoiseBox03').style.overflow = 'hidden';
	document.getElementById('spongeNoiseBox03').style.visibility = 'hidden';
	document.getElementById('spongeBtnPatternRollOut').style.height = 'auto';
	document.getElementById('spongeBtnPatternRollOut').style.overflow = 'visible';
	document.getElementById('spongeBtnPatternRollOut').style.visibility = 'visible';
	document.getElementById('spongeBtnPatternRollOver').style.height = '0px';
	document.getElementById('spongeBtnPatternRollOver').style.overflow = 'hidden';
	document.getElementById('spongeBtnPatternRollOver').style.visibility = 'hidden';
}