(function($) {

   var imgeFfect = function(element, options){
   var settings = $.extend({}, $.fn.imgeffect.defaults, options); //초반 셋팅값 가져오기
     var vars = {
            currentSlide: 0,
            currentImage: '',
            totalSlides: 0,
            randAnim: '',
            running: false,
            paused: false,
            stop: false
        };
    
	  //슬라이더 값가저오기
	    var slider = $(element);		
        slider.data('nivo:vars', vars);
        slider.css('position','relative');
        slider.addClass('imgeffect');
 
	   //변수값적용및  position 변경
	 
        slider.parent().append("<div class='titlebox'><ul class='titleboxul'></ul></div>");
		//리스트 셋팅
		slider.find('img').each(function() {
			var item = $(this);			
	       slider.parent().find('.titleboxul').append("<li  class='item' rel='" + $(this).attr('rel') + "'>" + "</li>");
		});
		

	   var kids = slider.children();
			kids.each(function() {
				var child = $(this);
				var link = '';
				if(!child.is('img')){
					if(child.is('a')){
						child.addClass('imgeffect-imageLink');
						link = child;
					}
					child = child.find('img:first');
					
				}
				
				 
				
				var childWidth = child.width();
				if(childWidth == 0) childWidth = child.attr('width');
				var childHeight = child.height();
				if(childHeight == 0) childHeight = child.attr('height');
				//Resize the slider
				if(childWidth > slider.width()){
					slider.width(childWidth);
				}
				if(childHeight > slider.height()){
					slider.height(childHeight);
				}
				if(link != ''){
					link.css('display','none');
				}
				child.css('display','none');
				vars.totalSlides++;
			});
      
        
		 //Set startSlide
        if(settings.startSlide > 0){
            if(settings.startSlide >= vars.totalSlides) settings.startSlide = vars.totalSlides - 1;
            vars.currentSlide = settings.startSlide;
        }
        
     

		if($(kids[vars.currentSlide]).is('img')){
            vars.currentImage = $(kids[vars.currentSlide]);
			$('.item').removeClass("active");
        } else {
            vars.currentImage = $(kids[vars.currentSlide]).find('img:first');
			slider.parent().parent().find('.item:first').addClass("active");
        }
       
        //Show initial link
        if($(kids[vars.currentSlide]).is('a')){
            $(kids[vars.currentSlide]).css('display','block');
        }
        
        //첫번째 이미지 셋팅
        slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat');

        //Create caption
        slider.append(
            $('<div class="imgeffect-caption"><p></p></div>').css({ display:'none', opacity:settings.captionOpacity })
        );	

		var processCaption = function(settings){
			var imgeffectCaption = $('.imgeffect-caption', slider);
			if(vars.currentImage.attr('title') != ''){
				var title = vars.currentImage.attr('title');
				if(title.substr(0,1) == '#') title = $(title).html();	

				if(imgeffectCaption.css('display') == 'block'){
					imgeffectCaption.find('p').fadeOut(settings.animSpeed, function(){
						$(this).html(title);
						$(this).fadeIn(settings.animSpeed);
					});
				} else {
					imgeffectCaption.find('p').html(title);
				}					
				//imgeffectCaption.fadeIn(settings.animSpeed);
			} else {
				//imgeffectCaption.fadeOut(settings.animSpeed);
			}
		}

        //Process initial  caption
     processCaption(settings);

    var timer = 0;
		 

        if(!settings.manualAdvance && kids.length > 1){
            timer = setInterval(function(){ 	
				
				imgeffectRun(slider, kids, settings, false); 
				}, settings.pauseTime);
        }
		


      //Add Direction nav
        if(settings.directionNav){
            slider.append('<div class="imgeffect-directionNav"><a class="imgeffect-prevNav">'+ settings.prevText +'</a><a class="imgeffect-nextNav">'+ settings.nextText +'</a></div>');
            
            //Hide Direction nav
            if(settings.directionNavHide){
                $('.imgeffect-directionNav', slider).hide();
                slider.hover(function(){
                    $('.imgeffect-directionNav', slider).show();
                }, function(){
                    $('.imgeffect-directionNav', slider).hide();
                });
            }
            $('li.item').live('click', function(){

			        clearInterval(timer);
                    timer = '';
                    vars.currentSlide=$(this).attr('rel') -2;
                    imgeffectRun(slider, kids, settings, 'prev');

			});
            $('a.imgeffect-prevNav').live('click', function(){
			   if(vars.running) return false;
                clearInterval(timer);
                timer = '';
                vars.currentSlide -= 2;
	              
                imgeffectRun(slider, kids, settings, 'prev');
            });
            
            $('a.imgeffect-nextNav').live('click', function(){
                if(vars.running) return false;
                clearInterval(timer);
                timer = '';
                
                imgeffectRun(slider, kids, settings, 'next');
            });
        }

   //Keyboard Navigation
        if(settings.keyboardNav){
            $(window).keypress(function(event){
                //Left
                if(event.keyCode == '37'){
                    if(vars.running) return false;
                    clearInterval(timer);
                    timer = '';
                    vars.currentSlide-=2;
                    imgeffectRun(slider, kids, settings, 'prev');
                }
                //Right
                if(event.keyCode == '39'){
                    if(vars.running) return false;
                    clearInterval(timer);
                    timer = '';
                    imgeffectRun(slider, kids, settings, 'next');
                }
            });
        }
        
        //For pauseOnHover setting
        if(settings.pauseOnHover){
		
            slider.hover(function(){
                vars.paused = true;
                clearInterval(timer);
                timer = '';
            }, function(){
                vars.paused = false;
                //Restart the timer
                if(timer == '' && !settings.manualAdvance){
                    timer = setInterval(function(){ 
					if($('.item').size()-1 > (vars.currentSlide)){
						 $('.item').removeClass("active");
						 $('.item').eq(vars.currentSlide + 1).addClass("active");
					}else{
						 $('.item').removeClass("active");
						 $('.item').eq(0).addClass("active");
					}
						imgeffectRun(slider, kids, settings, false);
						}, settings.pauseTime);
                }
            });
			
        }
      
        //Event when Animation finishes
        slider.bind('nivo:animFinished', function(){ 
            vars.running = false; 
            //Hide child links
            $(kids).each(function(){
                if($(this).is('a')){
                    $(this).css('display','none');
                }
            });
			
            //Show current link
            if($(kids[vars.currentSlide]).is('a')){
                $(kids[vars.currentSlide]).css('display','block');
            }
            //Restart the timer
            if(timer == '' && !vars.paused && !settings.manualAdvance){
				
                timer = setInterval(function(){ 
					if($('.item').size()-1 > (vars.currentSlide)){
						 $('.item').removeClass("active");
						 $('.item').eq(vars.currentSlide + 1).addClass("active");
					}else{
						 $('.item').removeClass("active");
						 $('.item').eq(0).addClass("active");
					}
					imgeffectRun(slider, kids, settings, false); 
					}, settings.pauseTime);
            }
            //Trigger the afterChange callback
            settings.afterChange.call(this);
        });
        


     
       var createSlices = function(slider, settings, vars){
		 
            for(var i = 0; i < settings.slices; i++){
				var sliceWidth = Math.round(slider.width()/settings.slices);
				if(i == settings.slices-1){
					slider.append(
						$('<div class="imgeffect-slice"></div>').css({ 
							left:(sliceWidth*i)+'px', width:(slider.width()-(sliceWidth*i))+'px',
							height:'0px', 
							opacity:'0', 
							background: 'url("'+ vars.currentImage.attr('src') +'") no-repeat -'+ ((sliceWidth + (i * sliceWidth)) - sliceWidth) +'px 0%'
						})
					);
				} else {
					slider.append(
						$('<div class="imgeffect-slice"></div>').css({ 
							left:(sliceWidth*i)+'px', width:sliceWidth+'px',
							height:'0px', 
							opacity:'0', 
							background: 'url("'+ vars.currentImage.attr('src') +'") no-repeat -'+ ((sliceWidth + (i * sliceWidth)) - sliceWidth) +'px 0%'
						})
					);
				}
			}
        }
		
	var createBoxes = function(slider, settings, vars){
			var boxWidth = Math.round(slider.width()/settings.boxCols);
			var boxHeight = Math.round(slider.height()/settings.boxRows);
			
			for(var rows = 0; rows < settings.boxRows; rows++){
				for(var cols = 0; cols < settings.boxCols; cols++){
					if(cols == settings.boxCols-1){
						slider.append(
							$('<div class="imgeffect-box"></div>').css({ 
								opacity:0,
								left:(boxWidth*cols)+'px', 
								top:(boxHeight*rows)+'px',
								width:(slider.width()-(boxWidth*cols))+'px',
								height:boxHeight+'px',
								background: 'url("'+ vars.currentImage.attr('src') +'") no-repeat -'+ ((boxWidth + (cols * boxWidth)) - boxWidth) +'px -'+ ((boxHeight + (rows * boxHeight)) - boxHeight) +'px'
							})
						);
					} else {
						slider.append(
							$('<div class="imgeffect-box"></div>').css({ 
								opacity:0,
								left:(boxWidth*cols)+'px', 
								top:(boxHeight*rows)+'px',
								width:boxWidth+'px',
								height:boxHeight+'px',
								background: 'url("'+ vars.currentImage.attr('src') +'") no-repeat -'+ ((boxWidth + (cols * boxWidth)) - boxWidth) +'px -'+ ((boxHeight + (rows * boxHeight)) - boxHeight) +'px'
							})
						);
					}
				}
			}
		}

		var imgeffectRun = function(slider, kids, settings, nudge){
			//Get our vars
			var vars = slider.data('nivo:vars');
           		
           	if($('.item').size()-1 > (vars.currentSlide)){
						 $('.item').removeClass("active");
						 $('.item').eq(vars.currentSlide + 1).addClass("active");
					}else{
						 $('.item').removeClass("active");
						 $('.item').eq(0).addClass("active");
					}

            //Trigger the lastSlide callback
            if(vars && (vars.currentSlide == vars.totalSlides - 1)){ 
				settings.lastSlide.call(this);
			}
            
            // Stop
			if((!vars || vars.stop) && !nudge) return false;
			
			//Trigger the beforeChange callback
			settings.beforeChange.call(this);
					
			//Set current background before change
			if(!nudge){
				slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat');
			} else {
				if(nudge == 'prev'){
					slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat');
				}
				if(nudge == 'next'){
					slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat');
				}
			}
			vars.currentSlide++;
            //Trigger the slideshowEnd callback
			if(vars.currentSlide == vars.totalSlides){ 
				vars.currentSlide = 0;
				settings.slideshowEnd.call(this);
			}
			if(vars.currentSlide < 0) vars.currentSlide = (vars.totalSlides - 1);
			//Set vars.currentImage
			if($(kids[vars.currentSlide]).is('img')){
				vars.currentImage = $(kids[vars.currentSlide]);
			} else {
				vars.currentImage = $(kids[vars.currentSlide]).find('img:first');
			}
			
			//Set active links
			if(settings.controlNav){
				$('.imgeffect-controlNav a', slider).removeClass('active');
				$('.imgeffect-controlNav a:eq('+ vars.currentSlide +')', slider).addClass('active');
			}
			
			//Process caption
			processCaption(settings);




			
			// Remove any slices from last transition
			$('.imgeffect-slice', slider).remove();
			
			// Remove any boxes from last transition
			$('.imgeffect-box', slider).remove();
			
			if(settings.effect == 'random'){
				var anims = new Array('sliceDownRight','sliceDownLeft','sliceUpRight','sliceUpLeft','sliceUpDown','sliceUpDownLeft','fold','fade',
                'boxRandom','boxRain','boxRainReverse','boxRainGrow','boxRainGrowReverse');
				vars.randAnim = anims[Math.floor(Math.random()*(anims.length + 1))];
				if(vars.randAnim == undefined) vars.randAnim = 'fade';
			}
            
            //Run random effect from specified set (eg: effect:'fold,fade')
            if(settings.effect.indexOf(',') != -1){
                var anims = settings.effect.split(',');
                vars.randAnim = anims[Math.floor(Math.random()*(anims.length))];
				if(vars.randAnim == undefined) vars.randAnim = 'fade';
            }
		
			//Run effects
			vars.running = true;
			if(settings.effect == 'sliceDown' || settings.effect == 'sliceDownRight' || vars.randAnim == 'sliceDownRight' ||
				settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft'){
				createSlices(slider, settings, vars);
				var timeBuff = 0;
				var i = 0;
				var slices = $('.imgeffect-slice', slider);
				if(settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft') slices = $('.imgeffect-slice', slider)._reverse();
				
				slices.each(function(){
					var slice = $(this);
					slice.css({ 'top': '0px' });
					if(i == settings.slices-1){
						setTimeout(function(){
							slice.animate({ height:'100%', opacity:'1.0' }, settings.animSpeed, '', function(){ slider.trigger('nivo:animFinished'); });
						}, (100 + timeBuff));
					} else {
						setTimeout(function(){
							slice.animate({ height:'100%', opacity:'1.0' }, settings.animSpeed);
						}, (100 + timeBuff));
					}
					timeBuff += 50;
					i++;
				});
			} 
			else if(settings.effect == 'sliceUp' || settings.effect == 'sliceUpRight' || vars.randAnim == 'sliceUpRight' ||
					settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft'){
				createSlices(slider, settings, vars);
				var timeBuff = 0;
				var i = 0;
				var slices = $('.imgeffect-slice', slider);
				if(settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft') slices = $('.imgeffect-slice', slider)._reverse();
				
				slices.each(function(){
					var slice = $(this);
					slice.css({ 'bottom': '0px' });
					if(i == settings.slices-1){
						setTimeout(function(){
							slice.animate({ height:'100%', opacity:'1.0' }, settings.animSpeed, '', function(){ slider.trigger('nivo:animFinished'); });
						}, (100 + timeBuff));
					} else {
						setTimeout(function(){
							slice.animate({ height:'100%', opacity:'1.0' }, settings.animSpeed);
						}, (100 + timeBuff));
					}
					timeBuff += 50;
					i++;
				});
			} 
			else if(settings.effect == 'sliceUpDown' || settings.effect == 'sliceUpDownRight' || vars.randAnim == 'sliceUpDown' || 
					settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft'){
				createSlices(slider, settings, vars);
				var timeBuff = 0;
				var i = 0;
				var v = 0;
				var slices = $('.imgeffect-slice', slider);
				if(settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft') slices = $('.imgeffect-slice', slider)._reverse();
				
				slices.each(function(){
					var slice = $(this);
					if(i == 0){
						slice.css('top','0px');
						i++;
					} else {
						slice.css('bottom','0px');
						i = 0;
					}
					
					if(v == settings.slices-1){
						setTimeout(function(){
							slice.animate({ height:'100%', opacity:'1.0' }, settings.animSpeed, '', function(){ slider.trigger('nivo:animFinished'); });
						}, (100 + timeBuff));
					} else {
						setTimeout(function(){
							slice.animate({ height:'100%', opacity:'1.0' }, settings.animSpeed);
						}, (100 + timeBuff));
					}
					timeBuff += 50;
					v++;
				});
			} 
			else if(settings.effect == 'fold' || vars.randAnim == 'fold'){
				createSlices(slider, settings, vars);
				var timeBuff = 0;
				var i = 0;
				
				$('.imgeffect-slice', slider).each(function(){
					var slice = $(this);
					var origWidth = slice.width();
					slice.css({ top:'0px', height:'100%', width:'0px' });
					if(i == settings.slices-1){
						setTimeout(function(){
							slice.animate({ width:origWidth, opacity:'1.0' }, settings.animSpeed, '', function(){ slider.trigger('nivo:animFinished'); });
						}, (100 + timeBuff));
					} else {
						setTimeout(function(){
							slice.animate({ width:origWidth, opacity:'1.0' }, settings.animSpeed);
						}, (100 + timeBuff));
					}
					timeBuff += 50;
					i++;
				});
			}  
			else if(settings.effect == 'fade' || vars.randAnim == 'fade'){
				createSlices(slider, settings, vars);
				
				var firstSlice = $('.imgeffect-slice:first', slider);
                firstSlice.css({
                    'height': '100%',
                    'width': slider.width() + 'px'
                });
    
				firstSlice.animate({ opacity:'1.0' }, (settings.animSpeed*2), '', function(){ slider.trigger('nivo:animFinished'); });
			}          
            else if(settings.effect == 'slideInRight' || vars.randAnim == 'slideInRight'){
				createSlices(slider, settings, vars);
				
                var firstSlice = $('.imgeffect-slice:first', slider);
                firstSlice.css({
                    'height': '100%',
                    'width': '0px',
                    'opacity': '1'
                });

                firstSlice.animate({ width: slider.width() + 'px' }, (settings.animSpeed*2), '', function(){ slider.trigger('nivo:animFinished'); });
            }
            else if(settings.effect == 'slideInLeft' || vars.randAnim == 'slideInLeft'){
				createSlices(slider, settings, vars);
				
                var firstSlice = $('.imgeffect-slice:first', slider);
                firstSlice.css({
                    'height': '100%',
                    'width': '0px',
                    'opacity': '1',
                    'left': '',
                    'right': '0px'
                });

                firstSlice.animate({ width: slider.width() + 'px' }, (settings.animSpeed*2), '', function(){ 
                    // Reset positioning
                    firstSlice.css({
                        'left': '0px',
                        'right': ''
                    });
                    slider.trigger('nivo:animFinished'); 
                });
            }
			else if(settings.effect == 'boxRandom' || vars.randAnim == 'boxRandom'){
				createBoxes(slider, settings, vars);
				
				var totalBoxes = settings.boxCols * settings.boxRows;
				var i = 0;
				var timeBuff = 0;
				
				var boxes = shuffle($('.imgeffect-box', slider));
				boxes.each(function(){
					var box = $(this);
					if(i == totalBoxes-1){
						setTimeout(function(){
							box.animate({ opacity:'1' }, settings.animSpeed, '', function(){ slider.trigger('nivo:animFinished'); });
						}, (100 + timeBuff));
					} else {
						setTimeout(function(){
							box.animate({ opacity:'1' }, settings.animSpeed);
						}, (100 + timeBuff));
					}
					timeBuff += 20;
					i++;
				});
			}
			else if(settings.effect == 'boxRain' || vars.randAnim == 'boxRain' || settings.effect == 'boxRainReverse' || vars.randAnim == 'boxRainReverse' || 
                    settings.effect == 'boxRainGrow' || vars.randAnim == 'boxRainGrow' || settings.effect == 'boxRainGrowReverse' || vars.randAnim == 'boxRainGrowReverse'){
				createBoxes(slider, settings, vars);
				
				var totalBoxes = settings.boxCols * settings.boxRows;
				var i = 0;
				var timeBuff = 0;
				
				// Split boxes into 2D array
				var rowIndex = 0;
				var colIndex = 0;
				var box2Darr = new Array();
				box2Darr[rowIndex] = new Array();
				var boxes = $('.imgeffect-box', slider);
				if(settings.effect == 'boxRainReverse' || vars.randAnim == 'boxRainReverse' ||
                   settings.effect == 'boxRainGrowReverse' || vars.randAnim == 'boxRainGrowReverse'){
					boxes = $('.imgeffect-box', slider)._reverse();
				}
				boxes.each(function(){
					box2Darr[rowIndex][colIndex] = $(this);
					colIndex++;
					if(colIndex == settings.boxCols){
						rowIndex++;
						colIndex = 0;
						box2Darr[rowIndex] = new Array();
					}
				});
				
				// Run animation
				for(var cols = 0; cols < (settings.boxCols * 2); cols++){
					var prevCol = cols;
					for(var rows = 0; rows < settings.boxRows; rows++){
						if(prevCol >= 0 && prevCol < settings.boxCols){
							/* Due to some weird JS bug with loop vars 
							being used in setTimeout, this is wrapped
							with an anonymous function call */
							(function(row, col, time, i, totalBoxes) {
								var box = $(box2Darr[row][col]);
                                var w = box.width();
                                var h = box.height();
                                if(settings.effect == 'boxRainGrow' || vars.randAnim == 'boxRainGrow' ||
                                   settings.effect == 'boxRainGrowReverse' || vars.randAnim == 'boxRainGrowReverse'){
                                    box.width(0).height(0);
                                }
								if(i == totalBoxes-1){
									setTimeout(function(){
										box.animate({ opacity:'1', width:w, height:h }, settings.animSpeed/1.3, '', function(){ slider.trigger('nivo:animFinished'); });
									}, (100 + time));
								} else {
									setTimeout(function(){
										box.animate({ opacity:'1', width:w, height:h }, settings.animSpeed/1.3);
									}, (100 + time));
								}
							})(rows, prevCol, timeBuff, i, totalBoxes);
							i++;
						}
						prevCol--;
					}
					timeBuff += 100;
				}
			}
		}
		 
	   var shuffle = function(arr){
			for(var j, x, i = arr.length; i; j = parseInt(Math.random() * i), x = arr[--i], arr[i] = arr[j], arr[j] = x);
			return arr;
		}
        
        // For debugging
        var trace = function(msg){
            if (this.console && typeof console.log != "undefined")
                console.log(msg);
        }
        
        // Start / Stop
        this.stop = function(){
            if(!$(element).data('nivo:vars').stop){
                $(element).data('nivo:vars').stop = true;
                trace('Stop Slider');
            }
        }
        
        this.start = function(){
            if($(element).data('nivo:vars').stop){
                $(element).data('nivo:vars').stop = false;
                trace('Start Slider');
            }
        }
        
        //Trigger the afterLoad callback
        settings.afterLoad.call(this);

	return this;
    };
   $.fn.imgeffect = function(options) {
    
        return this.each(function(key, value){
            var element = $(this);
		     // Return early if this element already has a plugin instance
            if (element.data('imgeffect')) return element.data('imgeffect');
            // Pass options to plugin constructor
            var imgeffect = new imgeFfect(this, options);
            // Store plugin object in this element's data
            element.data('imgeffect', imgeffect);
        });

	};

	//Default settings
	$.fn.imgeffect.defaults = {
		effect: 'fade',      //이펙트('sliceDownRight','sliceDownLeft','sliceUpRight','sliceUpLeft','sliceUpDown','sliceUpDownLeft','fold','fade','boxRandom','boxRain','boxRainReverse','boxRainGrow','boxRainGrowReverse')
		slices: 15,            //분할수
		boxCols: 8,
		boxRows: 4,
		animSpeed: 500,
		pauseTime: 5000,
		startSlide: 0,
		directionNav: true,
		directionNavHide: true,
		controlNav: true,
		controlNavThumbs: false,
        controlNavThumbsFromRel: false,
		controlNavThumbsSearch: '.jpg',
		controlNavThumbsReplace: '_thumb.jpg',
		keyboardNav: true,
		pauseOnHover: true,
		manualAdvance: false,
		captionOpacity: 0.8,
		prevText: '',
		nextText: '',
		beforeChange: function(){},
		afterChange: function(){},
		slideshowEnd: function(){},
        lastSlide: function(){},
        afterLoad: function(){}
	};
	
	$.fn._reverse = [].reverse;
	
})(jQuery);