/*


 * jQuery Nivo Slider v2.4


 * http://nivo.dev7studios.com


 *


 * Copyright 2011, 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 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);


        });


        


        // Reset slice width before animations run


        var resetSliceWidth = function(slider, settings){


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


            var i = 0;


            slices.each(function(){


                var slice = $(this);


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


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


                    slice.css('width', (slider.width()-(sliceWidth*i)) + 'px');


                } else {


                    slice.css('width', sliceWidth + 'px');


                }


                i++;


            });


        }





        // 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','slideInRight','slideInLeft');


				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'){


				var timeBuff = 0;


				var i = 0;


                resetSliceWidth(slider, settings);


				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;


                resetSliceWidth(slider, settings);


				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;


                resetSliceWidth(slider, settings);


				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;


                resetSliceWidth(slider, settings);


				$('.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 firstSlice = $('.nivo-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'){


                var firstSlice = $('.nivo-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'){


                var firstSlice = $('.nivo-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'); 


                });


            }


		}


        


        // 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: 'fade',


		slices: 15,


		animSpeed: 500,


		pauseTime: 3000,


		startSlide: 0,


		directionNav: true,


		directionNavHide: true,


		controlNav: false,


		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);