/*



 * jQuery Nivo Slider v2.3



 * http://nivo.dev7studios.com



 *



 * Copyright 2010, Gilbert Pellegrom



 * Free to use and abuse under the MIT license.



 * http://www.opensource.org/licenses/mit-license.php



 * 



 * May 2010 - Pick random effect from specified set of effects by toronegro



 * May 2010 - controlNavThumbsFromRel option added by nerd-sh



 * May 2010 - Do not start nivoRun timer if there is only 1 slide by msielski



 * April 2010 - controlNavThumbs option added by Jamie Thompson (http://jamiethompson.co.uk)



 * March 2010 - manualAdvance option added by HelloPablo (http://hellopablo.co.uk)



 */







(function($) {







    var NivoSlider = function(element, options){



		//Defaults are below



		var settings = $.extend({}, $.fn.nivoSlider.defaults, options);







        //Useful variables. Play carefully.



        var vars = {



            currentSlide: 0,



            currentImage: '',



            totalSlides: 0,



            randAnim: '',



            running: false,



            paused: false,



            stop:false



        };



    



        //Get this slider



        var slider = $(element);



        slider.data('nivo:vars', vars);



        slider.css('position','relative');
		



        slider.addClass('nivoSlider');



        



        //Find our slider children



        var kids = slider.children();



        kids.each(function() {



            var child = $(this);



            var link = '';



            if(!child.is('img')){



                if(child.is('a')){



                    child.addClass('nivo-imageLink');



                    link = child;



                }



                child = child.find('img:first');



            }



            //Get img width & height



            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;



        }



        



        //Get initial image



        if($(kids[vars.currentSlide]).is('img')){



            vars.currentImage = $(kids[vars.currentSlide]);



        } else {



            vars.currentImage = $(kids[vars.currentSlide]).find('img:first');



        }



        



        //Show initial link



        if($(kids[vars.currentSlide]).is('a')){



            $(kids[vars.currentSlide]).css('display','block');



        }



        



        //Set first background



        slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat');



        



        //Add initial slices



        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="nivo-slice"></div>').css({ left:(sliceWidth*i)+'px', width:(slider.width()-(sliceWidth*i))+'px' })



                );



            } else {



                slider.append(



                    $('<div class="nivo-slice"></div>').css({ left:(sliceWidth*i)+'px', width:sliceWidth+'px' })



                );



            }



        }



        



        //Create caption



        slider.append(



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



        );			



        //Process initial  caption



        if(vars.currentImage.attr('title') != ''){



            var title = vars.currentImage.attr('title');



            if(title.substr(0,1) == '#') title = $(title).html();



            $('.nivo-caption p', slider).html(title);					



            $('.nivo-caption', slider).fadeIn(settings.animSpeed);



        }



        



        //In the words of Super Mario "let's a go!"



        var timer = 0;



        if(!settings.manualAdvance && kids.length > 1){



            timer = setInterval(function(){ nivoRun(slider, kids, settings, false); }, settings.pauseTime);



        }







        //Add Direction nav



        if(settings.directionNav){



            slider.append('<div class="nivo-directionNav"><a class="nivo-prevNav">Prev</a><a class="nivo-nextNav">Next</a></div>');



            



            //Hide Direction nav



            if(settings.directionNavHide){



                $('.nivo-directionNav', slider).hide();



                slider.hover(function(){



                    $('.nivo-directionNav', slider).show();



                }, function(){



                    $('.nivo-directionNav', slider).hide();



                });



            }



            



            $('a.nivo-prevNav', slider).live('click', function(){



                if(vars.running) return false;



                clearInterval(timer);



                timer = '';



                vars.currentSlide-=2;



                nivoRun(slider, kids, settings, 'prev');



            });



            



            $('a.nivo-nextNav', slider).live('click', function(){



                if(vars.running) return false;



                clearInterval(timer);



                timer = '';



                nivoRun(slider, kids, settings, 'next');



            });



        }



        



        //Add Control nav



        if(settings.controlNav){



            var nivoControl = $('<div style="background:red;opacity:4;filter:alpha(opacity=40);"></div><div class="nivo-controlNav"></div>');



            slider.append(nivoControl);



            for(var i = 0; i < kids.length; i++){



                if(settings.controlNavThumbs){



                    var child = kids.eq(i);



                    if(!child.is('img')){



                        child = child.find('img:first');



                    }



                    if (settings.controlNavThumbsFromRel) {



                        nivoControl.append('<a class="nivo-control" rel="'+ i +'"><img src="'+ child.attr('rel') + '" alt="" /></a>');



                    } else {



                        nivoControl.append('<a class="nivo-control" rel="'+ i +'"><img src="'+ child.attr('src').replace(settings.controlNavThumbsSearch, settings.controlNavThumbsReplace) +'" alt="" /></a>');



                    }



                } else {



                    nivoControl.append('<a class="nivo-control" rel="'+ i +'">'+ (i + 1) +'</a>');



                }



                



            }



            //Set initial active link



            $('.nivo-controlNav a:eq('+ vars.currentSlide +')', slider).addClass('active');



            



            $('.nivo-controlNav a', slider).live('click', function(){



                if(vars.running) return false;



                if($(this).hasClass('active')) return false;



                clearInterval(timer);



                timer = '';



                slider.css('background','url("'+ vars.currentImage.attr('src') +'") no-repeat');



                vars.currentSlide = $(this).attr('rel') - 1;



                nivoRun(slider, kids, settings, 'control');



            });



        }



        



        //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;



                    nivoRun(slider, kids, settings, 'prev');



                }



                //Right



                if(event.keyCode == '39'){



                    if(vars.running) return false;



                    clearInterval(timer);



                    timer = '';



                    nivoRun(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(){ nivoRun(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(){ nivoRun(slider, kids, settings, false); }, settings.pauseTime);



            }



            //Trigger the afterChange callback



            settings.afterChange.call(this);



        });







        // Private run method



		var nivoRun = function(slider, kids, settings, nudge){



			//Get our vars



			var vars = slider.data('nivo:vars');



            



            //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 acitve links



			if(settings.controlNav){



				$('.nivo-controlNav a', slider).removeClass('active');



				$('.nivo-controlNav a:eq('+ vars.currentSlide +')', slider).addClass('active');



			}



			



			//Process caption



			if(vars.currentImage.attr('title') != ''){



                var title = vars.currentImage.attr('title');



                if(title.substr(0,1) == '#') title = $(title).html();	



                    



				if($('.nivo-caption', slider).css('display') == 'block'){



					$('.nivo-caption p', slider).fadeOut(settings.animSpeed, function(){



						$(this).html(title);



						$(this).fadeIn(settings.animSpeed);



					});



				} else {



					$('.nivo-caption p', slider).html(title);



				}					



				$('.nivo-caption', slider).fadeIn(settings.animSpeed);



			} else {



				$('.nivo-caption', slider).fadeOut(settings.animSpeed);



			}



			



			//Set new slice backgrounds



			var  i = 0;



			$('.nivo-slice', slider).each(function(){



				var sliceWidth = Math.round(slider.width()/settings.slices);



				$(this).css({ height:'0px', opacity:'0', 



					background: 'url("'+ vars.currentImage.attr('src') +'") no-repeat -'+ ((sliceWidth + (i * sliceWidth)) - sliceWidth) +'px 0%' });



				i++;



			});



			



			if(settings.effect == 'random'){



				var anims = new Array("sliceDownRight","sliceDownLeft","sliceUpRight","sliceUpLeft","sliceUpDown","sliceUpDownLeft","fold","fade");



				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 = $.trim(anims[Math.floor(Math.random()*anims.length)]);



            }



		



			//Run effects



			vars.running = true;



			if(settings.effect == 'sliceDown' || settings.effect == 'sliceDownRight' || vars.randAnim == 'sliceDownRight' ||



				settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft'){



				var timeBuff = 0;



				var i = 0;



				var slices = $('.nivo-slice', slider);



				if(settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft') slices = $('.nivo-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'){



				var timeBuff = 0;



				var i = 0;



				var slices = $('.nivo-slice', slider);



				if(settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft') slices = $('.nivo-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'){



				var timeBuff = 0;



				var i = 0;



				var v = 0;



				var slices = $('.nivo-slice', slider);



				if(settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft') slices = $('.nivo-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'){



				var timeBuff = 0;



				var i = 0;



				$('.nivo-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'){



				var i = 0;



				$('.nivo-slice', slider).each(function(){



					



					if(i == settings.slices-1){



						$(this).animate({ opacity:'1.0' }, (settings.animSpeed*2), '', function(){ slider.trigger('nivo:animFinished'); });



					} else {



						$(this).animate({ opacity:'1.0' }, (settings.animSpeed*2));



					}



					i++;



				});



			}



		}



        



        // 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);



    };



        



    $.fn.nivoSlider = function(options) {



    



        return this.each(function(){



            var element = $(this);



            // Return early if this element already has a plugin instance



            if (element.data('nivoslider')) return;



            // Pass options to plugin constructor



            var nivoslider = new NivoSlider(this, options);



            // Store plugin object in this element's data



            element.data('nivoslider', nivoslider);



        });







	};



	



	//Default settings



	$.fn.nivoSlider.defaults = {



		effect:'random',



		slices:15,



		animSpeed:500,



		pauseTime:3000,



		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,



		beforeChange: function(){},



		afterChange: function(){},



		slideshowEnd: function(){},



        lastSlide: function(){},



        afterLoad: function(){}



	};



	



	$.fn._reverse = [].reverse;



	



})(jQuery);