//GLOBAL INITIALIZE
$(document).ready(function() {
	var isIE6 = /msie|MSIE 6/.test(navigator.userAgent);
	
	//keyword validation
	$("#site_search_form").validsearch("#site_search_error", "#site_search_keywords");
	$("#site_search_keywords").searchclear();
	
	//audience nav dropdown
	$("#audience_nav h2").bookmark_slider();
		//on homepage, only show if cookie hasn't been set
		if (  !($.cookie('hp_visited'))  ) {
			$.cookie('hp_visited', 'true', {path:'/'});
			$("#home #audience_nav h2").addClass('open');
			$("#home #audience_nav ul").show();
		}

	//quicklink nav dropdown
	$("#quicklinks_nav h2").bookmark_slider();	

	//accordion blocks 
	$('.accordion_block,#accordion_block').showhide(".section_heading", ".section_content");

	//tab blocks
	$("#tabs_block ul.tabs").tabs();

	
	
	//alternating row bgs on curriculum tables
	$("#course_info_block table tr:odd").addClass("alt");

	if ($('a[title="gallery"]')) {
		gallery_init();
	}
	
	// track links leaving site
	$("a.external-link").click(function(){
 		_gaq.push(['_trackEvent', 'External Links', 'Click', $(this).attr('href')]);
 		setTimeout('document.location = "' + $(this).attr('href') + '"', 100);
 	});
 	
 	// track important PDFs
	$("a.pdf-link").click(function(){
 		_gaq.push(['_trackEvent', 'PDFs', 'Click', $(this).attr('href')]);
 		setTimeout('document.location = "' + $(this).attr('href') + '"', 100);
 	});



});