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(function($) {

 $.fn.easySlider = function(options){
  
 var defaults = { 
 prevId:  'prevBtn',
 prevText:  '',
 nextId:  'nextBtn', 
 nextText:  '',
 controlsShow: true,
 controlsBefore: '',
 controlsAfter: '', 
 controlsFade: true,
 firstId:  'firstBtn',
 firstText:  'First',
 firstShow: false,
 lastId:  'lastBtn', 
 lastText:  'Last',
 lastShow: false, 
 vertical: false,
 speed:  800,
 auto: false,
 pause: 2000,
 continuous: false, 
 numeric:  false,
 numericId:  'controls'
 }; 
 var options = $.extend(defaults, options); 
 this.each(function() { 
 var obj = $(this);  
 var s = $("li", obj).length; var w = $("li", obj).width(); var h = $("li", obj).height(); var clickable = true; obj.width(w); obj.height(h); obj.css("overflow","hidden"); var ts = s-1; var t = 0; $("ul", obj).css('width',s*w); 
 if(options.continuous){
 $("ul", obj).prepend($("ul li:last-child", obj).clone().css("margin-left","-"+ w +"px")); $("ul", obj).append($("ul li:nth-child(2)", obj).clone()); $("ul", obj).css('width',(s+1)*w); }; 
 if(!options.vertical) $("li", obj).css('float','left'); 
 if(options.controlsShow){
 var html = options.controlsBefore; if(options.numeric){
 html += '<ol id="'+ options.numericId +'"></ol>'; } else {
 if(options.firstShow) html += '<span id="'+ options.firstId +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></span>'; html += ' <span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span>'; html += ' <span id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>'; if(options.lastShow) html += ' <span id="'+ options.lastId +'"><a href=\"javascript:void(0);\">'+ options.lastText +'</a></span>'; }; 
 html += options.controlsAfter; $(obj).after(html); }; 
 if(options.numeric){ 
 for(var i=0;i<s;i++){ 
 $(document.createElement("li"))
 .attr('id',options.numericId + (i+1))
 .html('<a rel='+ i +' href=\"javascript:void(0);\">'+ (i+1) +'</a>')
 .appendTo($("#"+ options.numericId))
 .click(function(){ 
 animate($("a",$(this)).attr('rel'),true); });  
 }; } else {
 $("a","#"+options.nextId).click(function(){ 
 animate("next",true); }); $("a","#"+options.prevId).click(function(){ 
 animate("prev",true); }); $("a","#"+options.firstId).click(function(){ 
 animate("first",true); }); $("a","#"+options.lastId).click(function(){ 
 animate("last",true); }); }; 
 function setCurrent(i){
 i = parseInt(i)+1; $("li", "#" + options.numericId).removeClass("current"); $("li#" + options.numericId + i).addClass("current"); }; 
 function adjust(){
 if(t>ts) t=0; if(t<0) t=ts; if(!options.vertical) {
 $("ul",obj).css("margin-left",(t*w*-1)); } else {
 $("ul",obj).css("margin-left",(t*h*-1)); }
 clickable = true; if(options.numeric) setCurrent(t); }; 
 function animate(dir,clicked){
 if (clickable){
 clickable = false; var ot = t; switch(dir){
 case "next":
 t = (ot>=ts) ? (options.continuous ? t+1 : ts) : t+1; break; case "prev":
 t = (t<=0) ? (options.continuous ? t-1 : 0) : t-1; break; case "first":
 t = 0; break; case "last":
 t = ts; break; default:
 t = dir; break; }; var diff = Math.abs(ot-t); var speed = diff*options.speed; if(!options.vertical) {
 p = (t*w*-1); $("ul",obj).animate(
 { marginLeft: p }, 
 { queue:false, duration:speed, complete:adjust }
 ); } else {
 p = (t*h*-1); $("ul",obj).animate(
 { marginTop: p }, 
 { queue:false, duration:speed, complete:adjust }
 ); }; 
 if(!options.continuous && options.controlsFade){ 
 if(t==ts){
 $("a","#"+options.nextId).hide(); $("a","#"+options.lastId).hide(); } else {
 $("a","#"+options.nextId).show(); $("a","#"+options.lastId).show(); }; if(t==0){
 $("a","#"+options.prevId).hide(); $("a","#"+options.firstId).hide(); } else {
 $("a","#"+options.prevId).show(); $("a","#"+options.firstId).show(); }; }; 
 if(clicked) clearTimeout(timeout); if(options.auto && dir=="next" && !clicked){; timeout = setTimeout(function(){
 animate("next",false); },diff*options.speed+options.pause); }; 
 }; 
 }; var timeout; if(options.auto){; timeout = setTimeout(function(){
 animate("next",false); },options.pause); }; 
 if(options.numeric) setCurrent(0); 
 if(!options.continuous && options.controlsFade){ 
 $("a","#"+options.prevId).hide(); $("a","#"+options.firstId).hide(); }; 
 });  
 };
})(jQuery);