buttonO=new Image
buttonO.src="images/circleBtn1.gif"

buttonH= new Image
buttonH.src = "images/btnHover1.gif"

// JavaScript functions to show/hide information

function showInfo(id){
	var ref = document.getElementById(id);
	ref.style.display="block";
}

function hideInfo(id){
	var ref = document.getElementById(id);
	ref.style.display="none";

}