// direction page js

var cssDirections=new Array("view_north", "view_south");

function addLoadEvent(func) {
  if(!document.getElementById) return false;
  if(!document.getElementsByTagName) return false;
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function prepareLinks() {
  for (var i=0; i<cssDirections.length; i++) {
	var cssLink = document.getElementById(cssDirections[i]);
    if (cssLink!=null) {
      	cssLink.onclick = function() {
		showDir(this.getAttribute("id"));
		this.className = 'show';
        return false;
      }
    }
  }
}

function showDir(other) {
	// show directions
	if (other=='view_north') {
	  var xDir=document.getElementById('south_directions');
	  xDir.className='hide';
	  var xDir=document.getElementById('north_directions');
	  xDir.className='show';
	  var xDirLink=document.getElementById('view_south');
	  xDirLink.className='show';
	} else {
	  var xDir=document.getElementById('north_directions');
	  xDir.className='hide';
	  var xDir=document.getElementById('south_directions');
	  xDir.className='show';
	  var xDirLink=document.getElementById('view_north');
	  xDirLink.className='show';
	  }
}

addLoadEvent(prepareLinks);
addLoadEvent(showDir);