///////////////////////////////////////////////////////////////////////////////
// Author: Eric Scrivner
//
// Purpose: Use jquery to creat several effects for the homepage
///////////////////////////////////////////////////////////////////////////////

jQuery.noConflict();
// The following function froms: http://www.quirksmode.org/js/cookies.html
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}
//~end functions

jQuery(document).ready(function() {
	// Check whether or not alerts should be shown and display them if so
	if(readCookie("showalerts") == null)
	{
		jQuery("div[id=alert]").show();
	}
	
	// Toggle the display of the sitemap
	jQuery("a[name=site-guide]").click(function() {
		jQuery("div[id=guide]").slideToggle("normal");
		if(jQuery("a[name=site-guide]").attr("title") == "Show the Guide") {
			jQuery("a[name=site-guide]").attr("title", "Hide the Guide");
			jQuery("a[name=site-guide]").attr("class", "toggle hide");
		} else {
			jQuery("a[name=site-guide]").attr("title", "Show the Guide");
			jQuery("a[name=site-guide]").attr("class", "toggle view");
		}
		return false;
	});
	
	// Hide the alerts and set a cookie indicating no alerts for the next day
	jQuery("a[name=alert-hide]").click(function() {
		createCookie("showalerts", "false", 1);
		jQuery("div[id=alert]").fadeOut("slow");
		return false;
	});
	
	// Pop up the drop down menu on click
	jQuery("a[id=connect-select]").click(function() {
		jQuery("div[id=connection-options]").slideToggle("normal");
		return false;
	});
});