function focus_fs(){
	document.getElementById("fs-graphic").src="/images/fs_on.jpg";
}

function blur_fs(){
	document.getElementById("fs-graphic").src="/images/fs_off.jpg";
}

function focus_cs(){
	document.getElementById("cs-graphic").src="/images/cs_on.jpg";
}

function blur_cs(){
	document.getElementById("cs-graphic").src="/images/cs_off.jpg";
}

function focus_bs(){
	document.getElementById("bs-graphic").src="/images/bs_on.jpg";
}

function blur_bs(){
	document.getElementById("bs-graphic").src="/images/bs_off.jpg";
}

function focus_ce(){
	document.getElementById("ce-graphic").src="/images/ce_on.jpg";
}

function blur_ce(){
	document.getElementById("ce-graphic").src="/images/ce_off.jpg";
}