function focus_bn1(){
	document.getElementById("bn1").src="/images/home_nav02_on.jpg";
}

function focus_bn2(){
	document.getElementById("bn2").src="/images/home_nav03_on.jpg";
}

function focus_bn3(){
	document.getElementById("bn3").src="/images/home_nav04_on.jpg";
}

function focus_bn4(){
	document.getElementById("bn4").src="/images/home_nav05_on.jpg";
}

function focus_bn5(){
	document.getElementById("bn5").src="/images/home_nav06_on.jpg";
}

function focus_bn6(){
	document.getElementById("bn6").src="/images/home_nav07_on.jpg";
}

function blur_bn1(){
	document.getElementById("bn1").src="/images/home_nav02.jpg";
}

function blur_bn2(){
	document.getElementById("bn2").src="/images/home_nav03.jpg";
}

function blur_bn3(){
	document.getElementById("bn3").src="/images/home_nav04.jpg";
}

function blur_bn4(){
	document.getElementById("bn4").src="/images/home_nav05.jpg";
}

function blur_bn5(){
	document.getElementById("bn5").src="/images/home_nav06.jpg";
}

function blur_bn6(){
	document.getElementById("bn6").src="/images/home_nav07.jpg";
}