//preload image
function Hide(){
	
			var box = document.getElementById("box0");
			var boxbtn = document.getElementById("btn0");
			box.style.display = "none";
			boxbtn.src = "../images/global/btn_redPlus.gif";
}

function ShowHideLayer() {
	/* Obtain reference for the selected boxID layer and its button */
	var box = document.getElementById("box0");
	var boxbtn = document.getElementById("btn0");
	
	/* If the selected box is currently invisible, show it */
	if(box.style.display == "none" || box.style.display == "") {
		box.style.display = "block";
		document.getElementById(box).style.display = "none";
 		boxbtn.src = "../images/global/btn_blueMinus.gif";
	}
	/* otherwise hide it */
	else {
		box.style.display = "none";
		boxbtn.src = "../images/global/btn_redPlus.gif";
	}
}