function changeColor(d) {
	if (d == "linkBsub1")
	{
        document.getElementById("linkBsub1").style.background = "#AEB3B8";
	} else {
		document.getElementById("linkBsub1").style.background = "#E7E7E4";
	}
	if (d == "linkBsub2")
	{
        document.getElementById("linkBsub2").style.background = "#AEB3B8";
	} else {
		document.getElementById("linkBsub2").style.background = "#E7E7E4";
	}
	if (d == "linkBsub3")
	{
        document.getElementById("linkBsub3").style.background = "#AEB3B8";
	} else {
		document.getElementById("linkBsub3").style.background = "#E7E7E4";
	}
	if (d == "linkBsub4")
	{
        document.getElementById("linkBsub4").style.background = "#AEB3B8";
	} else {
		document.getElementById("linkBsub4").style.background = "#E7E7E4";
	}
}
function changeHide(d) {
        document.getElementById(d).style.display = "none";
		document.getElementById("linkBsub1").style.background = "#E7E7E4";
		document.getElementById("linkBsub2").style.background = "#E7E7E4";
		document.getElementById("linkBsub3").style.background = "#E7E7E4";
		document.getElementById("linkBsub4").style.background = "#E7E7E4";
}
function changeShow(d) {
        document.getElementById(d).style.display = "block";
		document.getElementById("linkBsub1").style.background = "#E7E7E4";
		document.getElementById("linkBsub2").style.background = "#E7E7E4";
		document.getElementById("linkBsub3").style.background = "#E7E7E4";
		document.getElementById("linkBsub4").style.background = "#E7E7E4";
}