$.fn.emailLightbox = function(options) {
	var options = $.extend({ width: 500, top: 150 }, options);
	var lightbox = $(this);
	
	lightbox.hide();
	initialize();
	
	function initialize() 
	{
		timer();
	}
	
	function timer() 
	{
		if($.cookie('iwillteach_email_no') != 1 && $.cookie('iwillteach_subscribed') != 1) 
		{
		setTimeout(showLightbox, 30000);
		}
	}
	
	function showLightbox() 
	{
		// Build the lightbox 
		var lightboxWidth = options.width + 'px';
		var lightboxMarginLeft = -options.width/2 + 'px';
		var lightboxTop = $(window).scrollTop() + options.top;

		lightbox.css({
			'width': lightboxWidth,
			'margin-left': lightboxMarginLeft,
			'top': lightboxTop
		});
		
		// Show the lightbox 
		lightbox.show();
	}
	
	$('.signup-button').bind('click', function()
	{
		$.cookie('iwillteach_subscribed', '1', { expires: 1000, path: '/'});
	});
	
	$('.close_lightbox').bind('click', function()
	{
		lightbox.hide();
		$.cookie('iwillteach_email_no', '1', { expires: 60, path: '/'});
		return false;
	});
};