Merhaba arkadaşlar yemre arkadaşımızın kullanmış olduğu slideri kullanmak istedim fakat "Uncaught TypeError: Object [object Object] has no method 'flexslider' "

Diye bir hata aldım

/* jQuery(document).ready(function() {
jQuery(".flexslider").flexslider({
animation: "fade", //String: Select your animation type, "fade" or "slide"
controlsContainer: ".flex-container",
slideshow: true, //Boolean: Animate slider automatically
slideshowSpeed: 3000,//Integer: Set the speed of the slideshow cycling, in milliseconds
animationDuration: 400, //Integer: Set the speed of animations, in milliseconds
directionNav: true, //Boolean: Create navigation for previous/next navigation? (true/false)
controlNav: false, //Boolean: Create navigation for paging control of each clide? Note: Leave true for
mousewheel: false, //Boolean: Allow slider navigating via mousewheel
start: function(slider) {
jQuery(".total-slides").text(slider.count);
},
after: function(slider) {
jQuery(".current-slide").text(slider.currentSlide);
}
});
});
/* ]]> */


/* SLIDER */
#slideralan{ padding:5px; background:url(images/cizgiler.png) repeat; width:440px; float:left; margin-left:10px;}
.flex-container a:active,
.flexslider a:active {outline: none;}
.slides,
.flex-control-nav,
.flex-direction-nav {margin: 0; padding: 0; list-style: none; position:relative;}
.flexslider { min-height:150px; margin: 0; padding: 0;}
.flexslider .slides > li {display: none;}
.flexslider .slides img { width:440px; height:230px; max-width:440px; max-height:230px; display: block; border-radius:4px; -moz-border-radius:4px; -webkit-border-radius:4px; }
.flex-pauseplay span {text-transform: capitalize;}
.slides:after {content: "."; display: block; clear: both; visibility: hidden; line-height: 0; height: 0;}
html[xmlns] .slides {display: block;}
* html .slides {height: 1%;}
.no-js .slides > li:first-child {display: block;}
.flexslider { border: 0px solid #eee; position: relative; -webkit-border-radius: 0px; -moz-border-radius: 0px; -o-border-radius: 0px; border-radius: 0px; zoom: 1;}
.flexslider .slides {zoom: 1; min-height:130px;}
.flexslider .slides > li {position: relative;}
.flex-container {zoom: 1; position: relative;}
.flex-caption { zoom: 1; }
.flex-caption {width: auto; padding:7px 25px 8px 25px; position: absolute; left: 90px; bottom: 20px; color: #444; background:#fff; text-shadow: 0 -1px 0 rgba(0,0,0,.3); font-size: 11px; line-height: 14px;}
.flex-caption p { margin-bottom:0;}
.flex-direction-nav li a {width: 30px; height: 30px; margin: 0px 0 0; display: block; cursor: pointer; text-indent: -9999px;position:relative;}
.flex-direction-nav li .next { filter: alpha(opacity=60); position:absolute; bottom:20px; left: 60px; background: #222 url(images/ileri.png) no-repeat center center; cursor: pointer; width:30px; height:30px; -webkit-transition:background 200ms ease-in; -moz-transition:background 200ms ease-in; -o-transition:background 200ms ease-in; transition:background 200ms ease-in;}
.flex-direction-nav li .prev {filter: alpha(opacity=60); position:absolute; bottom:20px; left: 30px; background:#222 url(images/geri.png) no-repeat center center; cursor: pointer; width:30px; height:30px; -webkit-transition:background 200ms ease-in; -moz-transition:background 200ms ease-in; -o-transition:background 200ms ease-in;transition:background 200ms ease-in;}.flex-direction-nav li .disabled {opacity: .3; filter:alpha(opacity=30); cursor: default;}
.flex-direction-nav li a.prev:hover,
.flex-direction-nav li a.next:hover { background-color: #5cbaeb;filter: alpha(opacity=0.8); }

.flex-control-nav { position: absolute; bottom: 0px; right:34px; text-align: center; width:auto; }
.flex-control-nav li {margin: 0 0 0 5px; display: inline-block; zoom: 1; *display: inline; }
.flex-control-nav li:first-child {margin: 0;}
.flex-control-nav li a {width: 25px; height: 6px; display: block; background:#666666; cursor: pointer; text-indent: -9999px;}
.flex-control-nav li a:hover {background:#222222;}
.flex-control-nav li a.active {background:#f5f5f5; cursor: default;}
.flex-title {font-size:12px;}
/* SLIDER SON */



Css ve Jquery Kodlarını verdim yardımcı olursanız çok sevinirim :)