(function($){$.fn.UItoTop=function(options){var defaults={text:'To Top',min:200,inDelay:600,outDelay:400,containerID:'toTop',containerHoverID:'toTopHover',scrollSpeed:1000,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);
jQuery.extend( jQuery.easing,
{
easeInQuad: function (x, t, b, c, d) {
return c*(t/=d)*t + b;
},
easeOutQuad: function (x, t, b, c, d) {
return -c *(t/=d)*(t-2) + b;
},
easeInOutQuad: function (x, t, b, c, d) {
if ((t/=d/2) < 1) return c/2*t*t + b;
return -c/2 * ((--t)*(t-2) - 1) + b;
},
easeInCubic: function (x, t, b, c, d) {
return c*(t/=d)*t*t + b;
},
easeOutCubic: function (x, t, b, c, d) {
return c*((t=t/d-1)*t*t + 1) + b;
},