// JavaScript Document

Event.observe(window, 'load', function() {
	setupNav();
});

function setupNav() {
	var subNavs = $('nav').getElementsByClassName('subnav');
	
	for (var i = 0; i < subNavs.length; i++) {

		subNavs[i].getElementsByTagName('a')[0].onclick = function() {
			subUl = this.parentNode.getElementsByTagName('ul')[0];
			if (subUl.style.display == 'none') {
				new Effect.BlindDown(subUl, {
					duration: 0.5
				});
			} else {
				new Effect.BlindUp(subUl, {
					duration: 0.5
				});
			}
			return false;
		}
	}
}