function focus_bn1() {
	document.getElementById("bn1").src="/images/2y_service_bn1_sel.jpg";
}

function focus_bn2() {
	document.getElementById("bn2").src="/images/2y_service_bn2_sel.jpg";
}

function focus_bn3() {
	document.getElementById("bn3").src="/images/2y_service_bn3_sel.jpg";
}

function focus_bn4() {
	document.getElementById("bn4").src="/images/2y_service_bn4_sel.jpg";
}

function focus_bn5() {
	document.getElementById("bn5").src="/images/2y_service_bn5_sel.jpg";
}

function focus_bn6() {
	document.getElementById("bn6").src="/images/2y_service_bn6_sel.jpg";
}

function focus_bn7() {
	document.getElementById("bn7").src="/images/2y_service_bn7_sel.jpg";
}

function blur_bn1() {
	document.getElementById("bn1").src="/images/2y_service_bn1.jpg";	
}

function blur_bn2() {
	document.getElementById("bn2").src="/images/2y_service_bn2.jpg";
}

function blur_bn3() {
	document.getElementById("bn3").src="/images/2y_service_bn3.jpg";
}

function blur_bn4() {
	document.getElementById("bn4").src="/images/2y_service_bn4.jpg";
}

function blur_bn5() {
	document.getElementById("bn5").src="/images/2y_service_bn5.jpg";
}

function blur_bn6() {
	document.getElementById("bn6").src="/images/2y_service_bn6.jpg";
}

function blur_bn7() {
	document.getElementById("bn7").src="/images/2y_service_bn7.jpg";
}