$(document).ready(function(){
	var zIndexNumber = 5000;
	
	$("ul.subnav").parent().append("<span></span>"); //Only shows drop down trigger when js is enabled - Adds empty span tag after ul.subnav
	
	$("ul.topnav li .btn-menu").bind('click mouseover', function() { //When trigger is clicked...
		var $this = $(this);
		var subMenu = $(this).parent().find("ul.subnav");
		
		var	posicao	= $(this).offset();
        var posLeft	= posicao.left;
		
		
		
		if(posLeft > 850){
			subMenu.addClass('right');
		}else{
			subMenu.addClass('left');
		}
		//Following events are applied to the subnav itself (moving subnav up and down)
		subMenu.slideDown('fast').show(); //Drop down the subnav on click
		
		$(this).parent().hover(function() {
			}, function(){	
				subMenu.hide(); 
				$this.removeClass("link-ativo");
		});

		//Following events are applied to the trigger (Hover events for the trigger)
		}).hover(function() { 
			$(this).addClass("subhover"); //On hover over, add class "subhover"
			$(this).addClass("link-ativo");
		}, function(){	//On Hover Out
			$(this).removeClass("subhover"); //On hover out, remove class "subhover"
			
	});

});