/*
|--------------------------------------------------------------------------
| UItoTop jQuery Plugin 1.2 by Matt Varone
| http://www.mattvarone.com/web-design/uitotop-jquery-plugin/
|--------------------------------------------------------------------------
*/
(function($){
	$.fn.UItoTop = function(options) {

 		var defaults = {
				text: '',
				min: 200,
				inDelay:600,
				outDelay:400,
	  			containerID: 'toTop',
				containerHoverID: 'toTopHover',
				scrollSpeed: 1200,
				easingType: 'linear'
 			},
			settings = $.extend(defaults, options),
			containerIDhash = '#' + settings.containerID,
			containerHoverIDHash = '#'+settings.containerHoverID;

		$('body').append('<div class="to-top-container"><a href="#" id="'+settings.containerID+'"><span class="screen-reader-text">'+toTopscreenReaderText.label+'</span>'+settings.text+'</a></div>');
		$(containerIDhash).hide().on('click.UItoTop',function(){
			$('html, body').animate({scrollTop:0}, settings.scrollSpeed, settings.easingType);
			$('#'+settings.containerHoverID, this).stop().animate({'opacity': 0 }, settings.inDelay, settings.easingType);
			return false;
		})
		.prepend('<span id="'+settings.containerHoverID+'"></span>')
		.hover(function() {
				$(containerHoverIDHash, this).stop().animate({
					'opacity': 1
				}, 600, 'linear');
			}, function() {
				$(containerHoverIDHash, this).stop().animate({
					'opacity': 0
				}, 700, 'linear');
			});

		$(window).scroll(function() {
			var sd = $(window).scrollTop();
			if(typeof document.body.style.maxHeight === "undefined") {
				$(containerIDhash).css({
					'position': 'absolute',
					'top': sd + $(window).height() - 50
				});
			}
			if ( sd > settings.min ) {
				$(containerIDhash).fadeIn(settings.inDelay);
			} else {
				$(containerIDhash).fadeOut(settings.Outdelay);
			}
		});
};
})(jQuery);
