jQuery.extend({
	navRefresh: function() { 
		$('.nav-secondary').hide();
		var currentId = $('#nav .current').attr('id');
		$('ul.'+currentId).show();
	},
	
	setNavigation: function() {
		if($('body').attr('id') == 'home' || $('body').attr('id') == 'grotto') {
			$('.nav-secondary').css({
				'position':'absolute',
				'width':'697px',
				'z-index':1000
			});
		} else {  $("#content, #sidebar").equalizeCols(); }
		jQuery.navRefresh();
		$('#nav li').mouseover(function(){
			$id = $(this).attr('id');
			if ($('ul.'+$id).length > 0) {
				$('.nav-secondary').hide();
				$('ul.'+$id).show();			
			} else jQuery.navRefresh();
		});
		$('#main, #header').mouseover(function(){
			jQuery.navRefresh();
		});
	},

	
	externalLinks: function() {
		$("a[@href^='http']").attr('target','_blank');
	}
	
});

/* ************************************** */


$(function() {			
	// set sub navigation
	jQuery.setNavigation();
	// external links in new window
	jQuery.externalLinks();

});