YAHOO.namespace('wwf.navigation');
	YAHOO.wwf.navigation.init = function() {
	
		var mOver = function(e) {
			var target = e.target?e.target:e.srcElement;
			target.className = 'navItemHover';
		}
		
		var mOut = function(e) {
			var target = e.target?e.target:e.srcElement;
			target.className = 'navItem';
		}
		
		
		var elems = document.getElementsByTagName('span');
		for(var i = 0; i < elems.length; i++) {
			if (elems[i].className == 'navItem') {
				YAHOO.util.Event.addListener(elems[i], 'mouseover', mOver);
				YAHOO.util.Event.addListener(elems[i], 'mouseout', mOut);
			}
		}

		return false;
	}
	YAHOO.util.Event.addListener(window, 'load', YAHOO.wwf.navigation.init);