var nav ={
	init : function (element) {
		links = document.getElementById(element).getElementsByTagName('a');
		for(var i = 0; i < links.length; i++) {
			links[i].onclick = nav.activate;
    	}
	},
	activate : function() {
		nav.deactivate();
		this.className = "active";
		
		
	},
	deactivate : function() {
		for(var i = 0; i < links.length; i++) {
			links[i].className="";
		}
	}
};

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}
addLoadEvent(function() {
	if (document.getElementById("local-nav")) {
		nav.init("local-nav");
	}
});