// hide everything in the document except the inital image (a globe)
// this should only be executed once
function hideAll() {
  var fields = document.getElementsByTagName('div');
  for (var j = 0; j < fields.length; j++) {
    temp = fields[j];
    temp.style.display = 'none';
  }  
  var globe = document.getElementById('bottom');
  globe.style.display='';
}

// showSelected(selection):  a function to display selected information.
// called:  onClick from a menu
// parameter(s):
//    selection - the name of the selected <div>
function showSelected(selection)  {

    var possible_selections = document.getElementsByTagName('div');

    for (var i = 0; i < possible_selections.length; i++) {
      var current = possible_selections[i];
      if (current.id==selection) {
	current.style.visibility = "visible";				
      } else {
	current.style.visibility = "hidden";
      }
    }

}

function skipme() {
	return;
}

function swap(name, menu, toggle) {
}