function decide(w) {

   if (document.getElementById(w).style.display=="none")
   {show(w)}
   else{hide(w)}
}
	
function show(w) {
	
document.getElementById("Fisgard").style.display = "none";
document.getElementById("PacificRim").style.display = "none";
document.getElementById("Klondike").style.display = "none";
document.getElementById("5Klondike").style.display = "none";
document.getElementById("6Vuntut").style.display = "none";
document.getElementById("7Meadows").style.display = "none";
document.getElementById("8Spear").style.display = "none";
document.getElementById("9Signal").style.display = "none";
document.getElementById("11Bell").style.display = "none";

    document.getElementById(w).style.display="block";
document.getElementById("links").style.display = "none";
}

function hide(w) {
    document.getElementById(w).style.display="none";
	document.getElementById("links").style.display="block";
}