var obj = null;

/*function checkHover(){
	if(obj){
		obj.find('ul').fadeOut('fast');
	}
}*/

$(document).ready(function() {
	$('#nav_principal > li').hover(function(){
		if(obj){
			obj.find('ul').fadeOut('fast');
			obj = null;
		}
		$(this).find('ul').fadeIn('fast');
	}, function(){
		obj = $(this);
		//setTimeout("checkHover()",400);
	});
	
	//var path = location.pathname.substring(0);
	var path = location.pathname.substring(0,location.pathname.lastIndexOf('/'));
	var adirectorio = path.split("/");
	var directorio = adirectorio.pop();
	
	
	//alert(location.pathname.substring(0,location.pathname.lastIndexOf('/')));
	if ( path ){
		$('#nav_principal').find('a[@class$="activo"]').removeClass();
		$('#nav_principal a[@href*="' + directorio + '"]:eq(0)').addClass('activo');
		$('div[@id*="' + directorio + '"] ul').fadeIn('fast');
	}	
	
});