/**
  *	Pi Kappa Phi - Theta Mu Chapter
	*	University of Massachusetts Amherst
	*	Common Javascript functions
	*	Author: TJ Kelly, #016
	*	Info: http://www.tjkwebdesign.com
	*/

$(window).load(function(){

	////////////////////////////////////////]=  Main Navigation  [////////////////////////////////////////
	// strip background
	$('#nav li a').css({'background-image':'none'});
	
	// create hover event for each nav item
	attachNavEvents('nav_brothers');
	attachNavEvents('nav_recruitment');
	attachNavEvents('nav_media');
	attachNavEvents('nav_events');
	attachNavEvents('nav_charity');
	attachNavEvents('nav_alumni');
	attachNavEvents('nav_about');
	attachNavEvents('nav_contact');
	
	function attachNavEvents(id) {
		$('#nav li#' + id + ' a').mouseover(function() {
			// create pseudo-link and fade it in
			$(this).after('<span id="' + id + '_overlay" class="nav_overlay"></span>');
			$('span#' + id +'_overlay').css({display:'none'}).fadeIn(200);
		}).mouseout(function() {
			// fade out & remove pseudo-link
			$('span#' + id + '_overlay').fadeOut(200, function() {
				$(this).remove();
			});
		});
	}
	
	
	////////////////////////////////////////]=  Enriched CSS  [////////////////////////////////////////
	$('<style type="text/css">@import url("/wp/wp-content/themes/pikapp/css/enriched.css");</style>').appendTo('head');
	
	
	////////////////////////////////////////]=  External Links  [////////////////////////////////////////
	$('a[rel="external"]').each(function(){
		$(this).attr('target','_blank');
	});

	
	////////////////////////////////////////]=  Document Links  [////////////////////////////////////////
	$('a').each(function(){
		var href=$(this).attr('href');
		if(href.substr(-4,1)=='.'){
			var ext=href.substr(-3);
			$(this).addClass(ext);
		}
	});
	
});