/*
  |--------------------------------------------------------------------------
  | 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: 'To Top',
      			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('<a href="#" id="'+settings.containerID+'">'+settings.text+'</a>');
  		$(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);