//
// Usage:
// ActiveNavi.start('activeId');
//

var ActiveNavi = function() {
	this.initialize.apply(this, arguments);
}

ActiveNavi.prototype = {
	initialize: function(activeId) {
		var baseElm = document.getElementById(activeId);
		if(!baseElm) return;
		var aElmList = baseElm.getElementsByTagName('a');
		for(i=0; i<aElmList.length; i++) {
			aElmList[i].className = 'active';
		}
	}
};


// Bootstrap
ActiveNavi.start = function(activeId) {
  var activeNavi = new ActiveNavi(activeId);
};