function Toggle(e) {

if (!document.getElementById) return;
  if (!e) var e = window.event;

    whichlink = (e.target) ? e.target.id : e.srcElement.id;

    closeall(whichlink);

    obj=document.getElementById(whichlink+"menu");
    visible=(obj.style.display=="block")
    key=document.getElementById(whichlink);

    if (whichlink == "areas") {
		isvisible(visible);
		obj=document.getElementById("wainwrightsmenu");
		obj.style.display="block";
    } else if (whichlink == "current" || whichlink == "historic" || whichlink == "1974" || whichlink == "unitary") {
		isvisible(visible);
		obj=document.getElementById("countymenu");
		obj.style.display="block";
    } else {
	isvisible(visible);
    } 
}


function closeall(whichlink) {

var x;
var options = new Array();
options[0] = "walks";
options[1] = "birkett";
options[2] = "wainwrights";
options[3] = "county";
options[4] = "current";
options[5] = "historic";
options[6] = "unitary";
options[7] = "1974";
options[8] = "areas";

  for (x in options) {

    if (options[x] != whichlink) {
    	obj=document.getElementById(options[x]+"menu");
    	obj.style.display="none";
    }
  }
}  // end function

function isvisible(visible) {
    if (visible) {
	obj.style.display="none";
    } else {
	obj.style.display="block";
    }
}  // end function

// document.getElementById("home").onclick=Toggle;
document.getElementById("walks").onclick=Toggle;
document.getElementById("birkett").onclick=Toggle;
document.getElementById("wainwrights").onclick=Toggle;
document.getElementById("areas").onclick=Toggle;
document.getElementById("county").onclick=Toggle;
document.getElementById("current").onclick=Toggle;
document.getElementById("1974").onclick=Toggle;
document.getElementById("unitary").onclick=Toggle;
document.getElementById("historic").onclick=Toggle;
// document.getElementById("lakes").onclick=Toggle;
// document.getElementById("disclaim").onclick=Toggle;
// document.getElementById("mail").onclick=Toggle;
// document.getElementById("guest").onclick=Toggle;
// document.getElementById("trigs").onclick=Toggle;
// document.getElementById("links").onclick=Toggle;