/**
 * @author Marcel Fiedrich
 */

var mainNavHover = function() {
	
	var mainNav = $('mainNav');
	var navObjs = $$('li.mainNavObj');
	
	var fx = function(){
		
		navObjs.each(function(element, index){
			
			var mainSubNav = element.getElement('ul');
			var objID = element.getProperty('id');
			var actObj = element.getElementById('active');
				
			if (mainSubNav != null) {
				
				element.addEvent('mouseenter', function(){
					mainSubNav.setStyles({
						display: 'block'
					});
				});
				
				element.addEvent('mouseleave', function(){
					mainSubNav.setStyles({
						display: 'none'
					});
				});
			}
			
			if (actObj == null) {
				element.addEvent('mouseenter', function(){
					element.removeProperty('id')
					element.setProperty('id', objID + 'Act');
				});
						
				element.addEvent('mouseleave', function(){
					element.setProperty('id', objID);
				});	
			}
				
		});
			
	};
	fx();
};