function showTab(Tab){
	if(document.getElementById("Button1")){
		document.getElementById("Button1").className="dark"
		document.getElementById("Display1").style.display="none"
	}
	if(document.getElementById("Button2")){
		document.getElementById("Button2").className="dark"
		document.getElementById("Display2").style.display="none"
	}
	if(document.getElementById("Button3")){
		document.getElementById("Button3").className="dark"
		document.getElementById("Display3").style.display="none"
	}
	if(document.getElementById("Button4")){
		document.getElementById("Button4").className="dark"
		document.getElementById("Display4").style.display="none"
	}
	if(document.getElementById("Button5")){
		document.getElementById("Button5").className="dark"
		document.getElementById("Display5").style.display="none"
	}

	document.getElementById("Button"+Tab).className="light"
	document.getElementById("Display"+Tab).style.display="block"

}