/**

* Sliderman.js

* Version: 1.3.5

* Author: Taras Ozarko (tozarko@gmail.com)

*

* (c) 2010-2011 Devtrix. All rights reserved. http://www.devtrix.net/sliderman/

**/



var Sliderman = new function(){

	var Sliderman = this;



	function foreach(o, f){for(var k in o) if(o.hasOwnProperty(k) && f(k,o[k],o)) return;}

	function is_array(a){return a && a.constructor == Array;}

	function is_string(a){return typeof(a) == 'string';}

	function is_function(a){return typeof(a) == 'function';}

	function now(){return (new Date()).getTime();}

	function this_blur(){this.blur();}

	

	function random(l){

		r = Math.round(Math.random()*(l+1));

		if(r > 0 && r < l+1) r--;

		else r = random(l);

		return r;

	}//random



	function addElementEvent(o,e,f){

		var of = o[e];

		var f2 = function(){of();f();}

		o[e] = !is_function(of) ? f : f2;

	}//addElementEvent



	var _loadImage = [];

	function loadImage(s,f,always_show_loading){

		var i_onload = function(){_loadImage[s]=true;if(f)f(s);}

		var l = function(){if(_loadImage[s]){if(f)f(s);}else{var i=newElement('IMG');i.onload=i_onload;new function(){i.src=s;};}}

		if(always_show_loading) setTimeout(l, typeof(always_show_loading) == 'number' ? always_show_loading : 1000);

		else l();

	}//loadImage



	function array_copy(a){

		if(is_array(a)) var r = [];

		else var r = {};

		foreach(a, function(i){r[i] = typeof(a[i]) != 'object' ? a[i] : array_copy(a[i]);});

		return r;

	}//array_copy



	function eq(a, b){

		return String(a).replace(/^\s+/, '').replace(/\s+$/, '').toLowerCase() == String(b).replace(/^\s+/, '').replace(/\s+$/, '').toLowerCase();

	}//eq



	function array_search(arr, a, b){

		var result = false;

		if(!b){

			foreach(arr, function(i){

				if(eq(arr[i], b)){

					result = i;

					return true;

				}

			});

		}

		else{

			foreach(arr, function(i){

				if(eq(arr[i][a], b)){

					result = i;

					return true;

				}

			});

		}

		return result;

	}//array_search



	function validateOption(a, b){

		b = b.split(',');

		var result;

		foreach(b, function(i){

			result = b[i];

			if(eq(a, b[i])) return true;

		});

		return result;

	}//validateOption



	var setOpacity;

	function setOpacityInit(){

		if(setOpacity) return;

		var p, b = document.body, s = b.style;

		if(is_string(s.opacity)) p = 'opacity';

	  else if(is_string(s.MozOpacity)) p = 'MozOpacity';

	  else if(is_string(s.KhtmlOpacity)) p = 'KhtmlOpacity';

	  else if(b.filters && navigator.appVersion.match(/MSIE ([\d.]+);/)[1]>=5.5) p = 'filter';

	  if(p == 'filter'){

			setOpacity = function(style, v){

				if(v > 1) v = 1;

				else if(v < 0) v = 0;

			  style[p] = "alpha(opacity=" + Math.round(v*100) + ")";

			}

		}else if(p){

			setOpacity = function(style, v){

				if(v > 1) v = 1;

				else if(v < 0) v = 0;

			  style[p] = v.toFixed(2);

			}

		}else setOpacity = ef

	}//setOpacityInit



	function setStyle(style, property, value){

		if(is_string(value)) style[property] = value;

		else if(property == 'clip') style[property] = 'rect('+Math.round(value[0])+'px, '+Math.round(value[1])+'px, '+Math.round(value[2])+'px, '+Math.round(value[3])+'px)';

		else if(property == 'opacity') setOpacity(style, value);

		else style[property] = Math.round(value)+'px';

	}//setStyle

	function setStyles(style, properties){

		foreach(properties, function(property){

			setStyle(style, property, properties[property]);

		});

	}

	function hide(style){style.display = 'none';}

	function show(style){style.display = '';}



	function newElement(tagName, styles){

		var e = document.createElement(tagName);

		if(styles) setStyles(e.style, styles);

		return e;

	}//newElement

	

	var definedObjects = [];

	function defineObject(t, o){

		if(!is_array(definedObjects[t])) definedObjects[t] = [];

		if(o){

			var n = -1, i;

			if(o.name){

				if(i = array_search(definedObjects[t], 'name', o.name)) n = i;

			}else o.name = 'Sliderman-nameless-object-'+definedObjects[t].length;

			if(n >= 0) definedObjects[t][n] = o;

			else definedObjects[t].push(o);

		}

	}//defineObjects

	Sliderman.easing = function(e){defineObject('easing', e);}

	Sliderman.order = function(e){defineObject('order', e);}

	Sliderman.effect = function(e){defineObject('effect', EffectObject(e));}

	

	function getDefinedObjects(t){

		return definedObjects[t];

	}//getDefinedObjects

	

	function getDefinedObject(t, n){

		var a = getDefinedObjects(t), i;

		return is_array(a) && (i = array_search(a, 'name', n)) ? a[i] : false;

	}//getDefinedObject

	

	var _EffectObject = 0;

	function EffectObject(a){

		if(typeof(a) != 'object') a = {};

		if(!a.name) a.name = 'Sliderman-nameless-effect-'+_EffectObject++;

		a.interval = parseInt(a.interval) || 40; a.duration = parseInt(a.duration) || 200; a.delay = parseInt(a.delay) || 0;

		a.cols = parseInt(a.cols) || 1; a.rows = parseInt(a.rows) || 1; a.count = a.cols*a.rows;

		a.top = a.top ? true : false; a.right = a.right ? true : false; a.bottom = a.bottom ? true : false; a.left = a.left ? true : false;

		a.fade = a.fade ? true : false; a.zoom = a.zoom ? true : false; a.move = a.move ? true : false, a.chess = a.chess ? true : false;

		a.easing = getDefinedObject('easing', a.easing) ? a.easing : 'swing';

		a.order = getDefinedObject('order', a.order) ? a.order : 'random'; a.order_cache_id = [a.order, a.cols, a.rows, a.road, a.reverse].join(',');

		a.cache_id = [a.interval, a.duration, a.delay, a.top, a.right, a.bottom, a.left, a.fade, a.zoom, a.move, a.chess, a.order_cache_id].join(',');

		a.cacheId = function(){return a.cache_id + (a.order == 'random' ? now() : '');}

		a.frames_count = Math.round(a.duration/a.interval); a.easingArr = getEasing(a);

		a.P = []; a.pieces = function(w,h){w /= a.cols; h /= a.rows; var wh = w+'x'+h; if(!a.P[wh]){a.P[wh] = {width: w, height: h};

			for(var c = 0; c < a.cols; c++) for(var r = 0; r < a.rows; r++) a.P[wh][r+','+c] = [r*h, c*w+w, r*h+h, c*w];

			}return a.P[wh];}

		return a;

	}//EffectObject

	

	function slideContainer(slidesContainer, display){

		var container = newElement('div', {width: display.width, height: display.height, position: 'absolute', top: 0, left: 0, overflow: 'hidden'});

		slidesContainer.appendChild(container);

		return container;

	}//slideContainer



	var EffectsArr = [];

	function Effects(parameters){

		var effect = parameters.effect,	display = parameters.display;

		if(parameters.contentmode) effect.zoom = false;

		var cr, piece, r, image, startStylesArr = [], AnimateArr = [], needAnimate = [], AnimateItemsArr = [], styleStart, styleEnd, styleDif;



		var container = slideContainer(parameters.container, display);



		var pieces = effect.pieces(display.width, display.height);

		var e_top, e_bottom, e_left, e_right;

		var effectsOptStr = effect.cacheId();

		var frameN;

		var orderArr = getOrder(effect);



		if(EffectsArr[effectsOptStr]){

			startStylesArr = EffectsArr[effectsOptStr].startStylesArr;

			AnimateArr = EffectsArr[effectsOptStr].AnimateArr;

			needAnimate = EffectsArr[effectsOptStr].needAnimate;

		}else{

			for(r = 0; r < effect.rows; r++) for(c = 0; c < effect.cols; c++){cr = r+','+c;

				if(effect.chess && orderArr[cr] % 2 == 1){

					e_top = effect.bottom; e_bottom = effect.top;

					e_left = effect.right; e_right = effect.left;

				}else{

					e_top = effect.top; e_bottom = effect.bottom;

					e_left = effect.left; e_right = effect.right;

				}



				styleStart = {top: 0, left: 0, opacity: 1, width: display.width, height: display.height, overflow: 'hidden'};

				styleEnd = array_copy(styleStart); piece = array_copy(pieces[cr]);



				if(effect.fade) styleStart.opacity = 0;



				if(e_top && e_bottom) piece[0] = piece[2] = (piece[0] + piece[2]) / 2;

				else if(e_top) piece[2] -= pieces.height;

				else if(e_bottom) piece[0] += pieces.height;

				if(e_left && e_right) piece[1] = piece[3] = (piece[1] + piece[3]) / 2;

				else if(e_left) piece[1] -= pieces.width;

				else if(e_right) piece[3] += pieces.width;



				if(effect.zoom){

					styleStart.left = pieces[cr][3];

					styleStart.top = pieces[cr][0];

					if(e_left && e_right) styleStart.left += pieces.width / 2;

					else if(e_right) styleStart.left += pieces.width;

					else if(!e_left) styleStart.left = 0;

					if(e_top && e_bottom) styleStart.top += pieces.height / 2;

					else if(e_bottom) styleStart.top += pieces.height;

					else if(!e_top) styleStart.top = 0;

					if(e_left || e_right) piece[1] = piece[3] = 0;

					if(e_top || e_bottom) piece[0] = piece[2] = 0;

					styleStart.width = e_left || e_right ? 0 : display.width;

					styleStart.height = e_top || e_bottom ? 0 : display.height;

				}



				if(effect.move){

					if(e_top){

						styleStart.top = parseInt(styleStart.top)-pieces.height;

						piece[0] += pieces.height; piece[2] += pieces.height;

					}

					if(e_bottom){

						styleStart.top = parseInt(styleStart.top)+pieces.height;

						piece[0] -= pieces.height; piece[2] -= pieces.height;

					}

					if(e_left){

						styleStart.left = parseInt(styleStart.left)-pieces.width;

						piece[1] += pieces.width; piece[3] += pieces.width;

					}

					if(e_right){

						styleStart.left = parseInt(styleStart.left)+pieces.width;

						piece[1] -= pieces.width; piece[3] -= pieces.width;

					}

				}



				styleStart.clip = piece;

				styleEnd.clip = pieces[cr];



				styleDif = [];

				foreach(styleEnd, function(property){

					if(styleStart[property].toString() != styleEnd[property].toString()){

						styleDif[property] = [];

						if(property == 'clip'){

							foreach(styleStart[property], function(n){

								styleDif[property][n] = styleEnd[property][n] - styleStart[property][n];

							});

						}else styleDif[property] = styleEnd[property] - styleStart[property];

						needAnimate[cr] = true;

					}

				});



				startStylesArr[cr] = styleStart; AnimateArr[cr] = [];

				if(effect.delay) for(var n = 0; n < Math.round(orderArr[cr]*effect.delay/effect.interval); n++) AnimateArr[cr].push(null);



				if(!needAnimate[cr]) AnimateArr[cr].push({display: ''});

				else for(frameN = 1; frameN <= effect.frames_count; frameN++){

					var style_c = [];

					if(frameN == effect.frames_count) style_c = styleEnd;

					else{

						foreach(styleDif, function(property){

							value = [];

							if(property == 'clip'){

								foreach(styleDif[property], function(n){

									value[n] = styleStart[property][n]+styleDif[property][n]*effect.easingArr[frameN]

								});

							}else value = styleStart[property]+styleDif[property]*effect.easingArr[frameN]

							style_c[property] = value;

						});

					}

					AnimateArr[cr].push(style_c);

				}



			}//for

			EffectsArr[effectsOptStr] = {startStylesArr: startStylesArr, AnimateArr: AnimateArr, needAnimate: needAnimate};

		}



		for(r = 0; r < effect.rows; r++) for(c = 0; c < effect.cols; c++){cr = r+','+c;

			if(parameters.contentmode){

				image = newElement('DIV', startStylesArr[cr]);

				image.appendChild(parameters.src.cloneNode(true));

			}else{

				image = newElement('IMG', startStylesArr[cr]);

				image.src = parameters.src;

			}

			var style = image.style;

			style.position = 'absolute';

			container.appendChild(image);

			AnimateItemsArr[cr] = style;

			if(!needAnimate[cr]) hide(AnimateItemsArr[cr]);

		}



		//ANIMATE

		var time_s = now();

		var framesCountAll = 1;

		foreach(AnimateArr, function(index){framesCountAll = Math.max(AnimateArr[index].length, framesCountAll);});

		var AnimateItem, AnimateItemsComplete = [], timerFuncStatus = true, timerFunc = function(){

			if(timerFuncStatus){

				var frameC = Math.ceil((now() - time_s) / effect.interval);

				frameC = frameC >= framesCountAll ? framesCountAll-1 : frameC-1;

				foreach(AnimateArr, function(index){

					AnimateItem = frameC > AnimateArr[index].length-1 ? AnimateArr[index].length-1 : frameC;

					if(AnimateArr[index][AnimateItem] && !AnimateItemsComplete[index+','+AnimateItem]){

						setStyles(AnimateItemsArr[index], AnimateArr[index][AnimateItem]);

						AnimateItemsComplete[index+','+AnimateItem] = true;

					}

				});

				if(frameC == framesCountAll-1){

					if(effect.count > 1){

						container.innerHTML = '';

						if(parameters.contentmode) container.appendChild(parameters.src);

						else container.innerHTML = '<img src="'+parameters.src+'" width="'+display.width+'" height="'+display.height+'" />';

					}

					parameters.callback(container);

					timerFuncStatus = false;

				}

			}

			return timerFuncStatus;

		};

		var animateInterval = setInterval(function(){

			if(!timerFunc()) clearInterval(animateInterval);

		}, effect.interval);



	}//Effects

	function getOrder(effect){

		var a = [], o, m = 0;

		if(effect.count > 1){

			o = getDefinedObject('order', effect.order);

			if(!is_array(o.cache)) o.cache = [];

			if(o.nocache || !o.cache[effect.order_cache_id]){

				a = o.method(effect);

				if(effect.reverse){

					foreach(a, function(i, v){m = Math.max(m, v);});

					foreach(a, function(i){a[i] = m - a[i];});

				}

				o.cache[effect.order_cache_id] = a;

			}

			a = o.cache[effect.order_cache_id];

		}else a['0,0'] = 0;

		return a;

	}//getOrder

	

	function getEasing(effect){

		var o = getDefinedObject('easing', effect.easing), i, c = effect.frames_count;

		if(!is_array(o.cache)) o.cache = [];

		if(!o.cache[c]){

			o.cache[c] = [];

			for(i = 1; i <= c; i++) o.cache[c][i] = o.method(i/c);

		}

		return o.cache[c];

	}//getEasing

	

	Sliderman.slider = function(parameters){

		setOpacityInit();



		var Slider = {}, current = null, previous = null, EffectN = 0, nextIndex = null, prevImg, status = 'free', isHover = false, images = [], descriptions = [], links = [], ef = function(){};



		//EVENTS

		var events = parameters.events, eventCall = events ? function(e){if(events[e] && is_function(events[e])) events[e](Slider);} : ef;

		var contentmode = parameters.contentmode;



		//SLIDER EFECTS

		var effects = [];

		var effectsNames = [];

		var addEffect = function(e){

			if(is_string(e)){

				e = e.split(',');

				if(e.length == 1){

					var globalEffect = getDefinedObject('effect', e[0]);

					if(globalEffect) addEffect(globalEffect);

				}else for(var i = 0; i < e.length; i++) addEffect(e[i]);

			}else if(e){

				e = EffectObject(e);

				var effectsId = array_search(effects, 'name', e.name);

				if(!effectsId) effectsId = effects.length;

				effectsNames.push(e.name);

				effects[effectsId] = array_copy(e);

			}

		}//addEffect

		var getEffect = function(){

			var n = 0;

			if(effects.length > 1){

				switch(display.effects_order){

					case 'slides': n = current % effectsNames.length; break;

					case 'effects': n = EffectN % effectsNames.length; break;

					default:/*random*/

						n = random(effectsNames.length);

				}

			}

			EffectN++;

			return effects[array_search(effects, 'name', effectsNames[n])];

		}//getEffect

		if(parameters.effects){

			if(!is_array(parameters.effects)) parameters.effects = [parameters.effects];

			for(var i = 0; i < parameters.effects.length; i++) addEffect(parameters.effects[i]);

		}else parameters.effects = [];

		if(!effects.length) effects = array_copy(getDefinedObjects('effect'));



		//OPTIONS

		var display = parameters.display || {};

		display.width = parameters.width;

		display.height = parameters.height;

		var loading = display.loading || {};

		var description = display.description || null;

		var navigation = display.navigation || null;

		var buttons = display.buttons || null;

		

		Slider.random = function(){

			var r = random(images.length);

			return images.length > 1 && r == current ? Slider.random() : Slider.go(r);

		}

		Slider.next = function(){

			var r = Slider.go(current === null ? 0 : current + 1);

			if(display.loop && r){

				autoplayCount++;

				if(autoplayCount+1 >= images.length*display.loop) autoplay = ef;

			}

			return r;

		}

		Slider.prev = function(){

			var r = Slider.go(current === null ? -1 : current - 1);

			if(display.loop && r) autoplayCount--;

			return r;

		}

		Slider.go = function(index){

			index = (images.length + index) % images.length;

			autoplay(false);

			if(status != 'free') nextIndex = index;

			if(status != 'free' || current == index) return autoplay(true) && false;

			previous = current;

			current = index;

			eventCall('loading');

			showLoading(true);

			if(contentmode) doEffect(images[current]);

			else loadImage(images[current], doEffect, display.always_show_loading);

			return true;

		}//go

		Slider.get = function(a){

			switch(a){

				case 'length': return images.length; break;

				case 'current': return current; break;

				case 'previous': return previous; break;

				case 'images': return images; break;

				case 'links': return links; break;

				case 'descriptions': return descriptions; break;

			}

		}//get

		var autoplayStatus = 'stop';//play,pause,stop

		Slider.play = function(){if(!display.autoplay) return;

			if(autoplayStatus != 'play'){

				var s = autoplayStatus == 'stop';

				autoplayStatus = 'play';

				if(s) (display.random ? Slider.random : Slider.go)(0);

				else autoplay(true);

			}

		}//play

		Slider.pause = function(){if(!display.autoplay) return;

			if(autoplayStatus == 'pause') Slider.play();

			else if(autoplayStatus == 'play'){

				autoplayStatus = 'pause';

				autoplay(false);

			}

		}//pause

		Slider.stop = function(){if(!display.autoplay) return;

			autoplayStatus = 'stop';

			current = null;

			previous = null;

			nextIndex = null;

			EffectN = 0;

			autoplay(false);

			removePrevImg();

			if(display.first_slide) displayFirstSlide();

			update();

		}//stop

		Slider.start = function(){if(!display.autoplay) return;

			Slider.stop();

			Slider.play();

		}//start

		

		var removePrevImg = function(){

			if(prevImg && status == 'free'){

				prevImg.parentNode.removeChild(prevImg);

				prevImg = null;

			}

		}//removePrevImg

		

		function displayFirstSlide(){

			var c = slideContainer(imagesCont, display);

			if(parameters.contentmode) c.appendChild(images[0]);

			else c.innerHTML = '<img src="'+images[0]+'" width="'+display.width+'" height="'+display.height+'" />';

			EffectN = 1;

			previous = null;

			current = 0;

		}//displayFirstSlide

		

		function update(){

			descriptionShow(); linkUpd(); navigationUpd();

		}//update



		var styleDef = {width: display.width, height: display.height, position: 'absolute', top: 0, left: 0, display: 'block'};



		var mainCont = document.getElementById(parameters.container);

		function addElementEventOnmouseover(){isHover = true;

			if(buttons && buttons.hide) show(buttonsCont.style);

			if(description && description.hide && !contentmode) show(descriptionCont.style);

			if(display.pause) autoplay(false);

		}

		addElementEvent(mainCont, 'onmouseover', addElementEventOnmouseover);

		function addElementEventOnmouseout(){isHover = false;

			if(buttons && buttons.hide) hide(buttonsCont.style);

			if(description && description.hide && !contentmode) hide(descriptionCont.style);

			if(display.pause) autoplay(true);

		}

		addElementEvent(mainCont, 'onmouseout', addElementEventOnmouseout);



		//GET CONTENT

		var maps = document.getElementsByTagName('MAP');

		for(var i = 0; i < mainCont.childNodes.length; i++) if(mainCont.childNodes[i].nodeType == 1){

			if(contentmode) images.push(mainCont.childNodes[i].cloneNode(true));

			else{

				switch(mainCont.childNodes[i].tagName){

					case 'A':

						var img = mainCont.childNodes[i].getElementsByTagName('IMG');

						if(img.length){

							images.push(img[0].src);

							links[images.length-1] = mainCont.childNodes[i];

						}else descriptions[images.length-1] = mainCont.childNodes[i];

					break;

					case 'IMG':

						images.push(mainCont.childNodes[i].src);

						if(mainCont.childNodes[i].useMap && maps.length) for(var m = 0; m < maps.length; m++){

							if(maps[m].name && mainCont.childNodes[i].useMap.replace(/^[^#]*#/, '') == maps[m].name) links[images.length-1] = maps[m];

						}

					break;

					case 'MAP': continue; break;

					default: descriptions[images.length-1] = mainCont.childNodes[i];

				}

			}

			hide(mainCont.childNodes[i].style);

		}

		if(!contentmode) for(var i = 0; i < images.length; i++) loadImage(images[i]);



		//CONTAINERS

		var sliderCont = newElement('DIV', {width: display.width, height: display.height, position: 'relative'}); mainCont.appendChild(sliderCont);

		var imagesCont = newElement('DIV', styleDef); sliderCont.appendChild(imagesCont);

		partsCont = sliderCont;



		//LINKS

		if(contentmode) var linkUpd = ef;

		else{

			var lnk = newElement('DIV', styleDef); partsCont.appendChild(lnk);

			var linkUpd = function(){

				lnk.innerHTML = ''; value = links[current];

				if(value){

					if(value.tagName == 'MAP'){

						var a = newElement('IMG', styleDef);

						a.src = images[current]; a.useMap = '#'+value.name;

					}else{

						var a = newElement('A', styleDef);

						a.href = value.href; a.target = value.target;

					}

					setStyles(a.style, {opacity: 0, background: '#000000'});

					a.onfocus = this_blur;

					lnk.appendChild(a);

				}

			}

		}



		//LOADING

		if(contentmode) var showLoading = ef;

		else{

			var loadingCont = newElement('DIV'); partsCont.appendChild(loadingCont);

			hide(loadingCont.style);

			if(loading.background){

				var loadingBgStyle = array_copy(styleDef);

				loadingBgStyle.background = loading.background;

				if(loading.opacity) loadingBgStyle.opacity = loading.opacity;

				loadingCont.appendChild(newElement('DIV', loadingBgStyle));

			}

			if(loading.image){

				var loadingImgStyle = array_copy(styleDef);

				loadingImgStyle.background = 'url('+(loading.image)+') no-repeat center center';

				loadingCont.appendChild(newElement('DIV', loadingImgStyle));

			}

			var showLoading = function(a){

				if(a) show(loadingCont.style);

				else hide(loadingCont.style);

				status = a ? 'loading' : 'free';

			}

		}



		//DESCRIPTION

		var descriptionShow;

		if(description && !contentmode){

			var descriptionCont = newElement('DIV'); partsCont.appendChild(descriptionCont);

			if(description.hide) hide(descriptionCont.style);



			var descriptionStl = {position: 'absolute', overflow: 'hidden', textAlign: 'left'};

			if(!description) description = [];

			description.position = validateOption(description.position, 'top,left,right,bottom')

			descriptionStl.background = description.background || 'white';

			descriptionStl.opacity = description.opacity || 0.5;

			descriptionStl.width = description.position == 'top' || description.position == 'bottom' ? display.width : description.width || display.width*0.2;

			descriptionStl.height = description.position == 'left' || description.position == 'right' ? display.height : description.height || display.height*0.2;

			descriptionStl[description.position == 'bottom'?'bottom':'top'] = 0;

			descriptionStl[description.position == 'right'?'right':'left'] = 0;



			var descBg = newElement('DIV', descriptionStl); descriptionCont.appendChild(descBg);

			descriptionStl.opacity = 1; descriptionStl.background = '';

			var desc = newElement('DIV', descriptionStl); descriptionCont.appendChild(desc);



			function descriptionShow(){

				desc.innerHTML = '';

				setStyle(descriptionCont.style, 'visibility', 'hidden');

				var value = descriptions[current];

				if(value){

					setStyle(descriptionCont.style, 'visibility', 'visible');

					value = value.cloneNode(true);

					show(value.style);

					desc.appendChild(value);

					if(isHover) show(descriptionCont.style);

				}

			}

		}else descriptionShow = ef



		//BUTTONS

		if(buttons){

			var buttonsCont = newElement('DIV'); partsCont.appendChild(buttonsCont);

			if(buttons.hide) hide(buttonsCont.style);

			var btnPrev = newElement('A'); buttonsCont.appendChild(btnPrev);

			btnPrev.href = 'javascript:void(0);';

			var btnNext = btnPrev.cloneNode(true); buttonsCont.appendChild(btnNext);

			btnPrev.onfocus = this_blur;

			btnNext.onfocus = this_blur;

			btnPrev.onclick = Slider.prev;

			btnNext.onclick = Slider.next;

			if(buttons.prev.label) btnPrev.innerHTML = is_string(buttons.prev.label) ? buttons.prev.label : 'prev';

			if(buttons.prev.label) btnNext.innerHTML = is_string(buttons.next.label) ? buttons.next.label : 'next';

			if(buttons.prev.className) btnPrev.className = buttons.prev.className;

			if(buttons.next.className) btnNext.className = buttons.next.className;

			if(buttons.opacity || buttons.prev.opacity) setOpacity(btnPrev.style, buttons.opacity || buttons.prev.opacity);

			if(buttons.opacity || buttons.next.opacity) setOpacity(btnNext.style, buttons.opacity || buttons.next.opacity);

		}



		//NAVIGATION

		var navigationUpd;

		if(navigation){

			var navigationCont = document.getElementById(navigation.container);

			var a;



			if(navigation.prev){

				a = newElement('A');

				if(navigation.prev.label) a.innerHTML = is_string(navigation.prev.label) ? navigation.prev.label : 'Prev';

				if(navigation.prev.className) a.className = navigation.prev.className;

				a.href = 'javascript:void(0);';

				a.onfocus = this_blur;

				a.onclick = Slider.prev;

				navigationCont.appendChild(a);

			}



			var navigationLinks = [];

			function a_onclick(){Slider.go(this.id.replace(parameters.container+'_SliderNavigation', ''));};

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

				a = newElement('A');

				if(navigation.label) a.innerHTML = is_string(navigation.label) ? navigation.label : i+1;

				if(navigation.className) a.className = navigation.className;

				a.href = 'javascript:void(0);';

				a.id = parameters.container+'_SliderNavigation'+i;

				a.onfocus = this_blur;

				a.onclick = a_onclick;

				navigationLinks.push(a);

				navigationCont.appendChild(a);

			}



			if(navigation.next){

				a = newElement('A');

				if(navigation.next.label) a.innerHTML = is_string(navigation.next.label) ? navigation.next.label : 'Next';

				if(navigation.next.className) a.className = navigation.next.className;

				a.href = 'javascript:void(0);';

				a.onfocus = this_blur;

				a.onclick = Slider.next;

				navigationCont.appendChild(a);

			}



			function navigationUpd(){

				for(var i = 0; i < navigationLinks.length; i++) navigationLinks[i].className = navigationLinks[i].className.replace(/\bactive\b/g, '');

				if(navigationLinks[current]) navigationLinks[current].className += ' active';

			}

		}else navigationUpd = ef



		//AUTOPLAY

		var autoplayCount = 0;

		if(display.autoplay){

			var autoplayTimeout;

			var autoplay = function(a){

				if(autoplayTimeout){

					clearTimeout(autoplayTimeout);

					autoplayTimeout = null;

				}

				if(a && !(isHover && display.pause) && autoplayStatus == 'play') autoplayTimeout = setTimeout(display.random ? Slider.random : Slider.next, display.autoplay);

			}//autoplay

		}else var autoplay = ef



		var doEffect = function(src){

			if(autoplayStatus == 'stop') autoplayStatus = 'pause';

			eventCall('before');

			showLoading(false); status = 'busy'; update();

			Effects({effect: getEffect(), display: display, container: imagesCont, src: src, callback: function(img){

				status = 'free'; autoplay(true);

				removePrevImg();

				prevImg = img;

				eventCall('after');

				if(autoplayStatus == 'stop') removePrevImg();

				else if(nextIndex !== null){

					Slider.go(nextIndex);

					nextIndex = null;

				}

			}, contentmode: contentmode});

		};



		if(display.mousewheel){

			onmousewheel = function(d){

				if(d > 0) Slider.prev();

				else if(d < 0) Slider.next();

				return true;

			};

			function wheel(event){

				var d = 0;

				if(!event) event = window.event;

				if(event.wheelDelta){

					d = event.wheelDelta/120;

					if(window.opera) d = -d;

				}else if(event.detail) d = -event.detail/3;

				if(d && onmousewheel(d)){

					if(event.preventDefault) event.preventDefault();

					event.returnValue = false;

				}

			}//wheel

			if(mainCont.addEventListener){

				mainCont.addEventListener("DOMMouseScroll",wheel,false);

				mainCont.addEventListener("mousewheel",wheel,false);

			}else addElementEvent(mainCont, 'onmousewheel', wheel);

		}

		

		if(display.first_slide) displayFirstSlide();

		update();

		if(typeof(display.autostart) == 'undefined' || display.autostart) Slider.play();

		return Slider;

	}//Sliderman.slider

	



}//Sliderman



/* predefined easing functions */

Sliderman.easing({name: 'none', method: function(x){return x;}});

Sliderman.easing({name: 'swing', method: function(x){return -Math.cos(x*Math.PI)/2 + 0.5;}});

Sliderman.easing({name: 'wave', method: function(t){return ((Math.cos((1-t)*3*Math.PI+2*Math.PI))*0.5+0.5+t)/2;}});

Sliderman.easing({name: 'bounce', method: function(t){return 1 - Math.abs(Math.cos((1-t)*(2.5+t*t*3)*Math.PI+0.5*Math.PI)*(1-t));}});

/* predefined order functions */

Sliderman.order({name: 'straight', method: function(e){

	var cols = e.cols, rows = e.rows, road = e.road, count = e.count;

	var a = [], i = 0, c = 0, r = 0, cl = cols - 1, rl = rows - 1, il = count - 1, cr;

	for(r = 0; r < rows; r++) for(c = 0; c < cols; c++){cr = r+','+c;

		switch(road){

			case 'BL': a[cr] = il-(c*rows+(rl-r)); break;

			case 'RT': a[cr] = il-(r*cols+(cl-c)); break;

			case 'TL': a[cr] = il-(c*rows+r);

			case 'LT': a[cr] = il-(r*cols+c); break;

			case 'BR': a[cr] = c*rows+r; break;

			case 'LB': a[cr] = r*cols+(cl-c); break;

			case 'TR': a[cr] = c*rows+(rl-r); break;

			default: a[cr] = r*cols+c; break;//'RB'

		}

	}

	return a;

}});

Sliderman.order({name: 'swirl', method: function(e){

	var cols = e.cols, rows = e.rows, road = e.road, count = e.count;

	var a = [], i = 0, c = 0, r = 0, cl = cols - 1, rl = rows - 1, il = count - 1, cr;

	var courses, course = 0;

	switch(road){

		case 'BL': c = cl; r = 0; courses = ['r+', 'c-', 'r-', 'c+']; break;

		case 'RT': c = 0; r = rl; courses = ['c+', 'r-', 'c-', 'r+']; break;

		case 'TL': c = cl; r = rl; courses = ['r-', 'c-', 'r+', 'c+']; break;

		case 'LT': c = cl; r = rl; courses = ['c-', 'r-', 'c+', 'r+']; break;

		case 'BR': c = 0; r = 0; courses = ['r+', 'c+', 'r-', 'c-']; break;

		case 'LB': c = cl; r = 0; courses = ['c-', 'r+', 'c+', 'r-']; break;

		case 'TR': c = 0; r = rl; courses = ['r-', 'c+', 'r+', 'c-']; break;

		default: c = 0; r = 0; courses = ['c+', 'r+', 'c-', 'r-']; break;//'RB'

	}

	i = 0;

	while(i < count){

		cr = r+','+c;

		if(c >= 0 && c < cols && r >= 0 && r < rows && typeof(a[cr]) == 'undefined') a[cr] = i++;

		else switch(courses[course++%courses.length]){case 'c+': c--; break; case 'r+': r--; break; case 'c-': c++; break; case 'r-': r++; break;}

		switch(courses[course%courses.length]){case 'c+': c++; break; case 'r+': r++; break; case 'c-': c--; break; case 'r-': r--; break;}

	}

	return a;

}});

Sliderman.order({name: 'snake', method: function(e){

	var cols = e.cols, rows = e.rows, road = e.road, count = e.count;

	var a = [], i = 0, c = 0, r = 0, cl = cols - 1, rl = rows - 1, il = count - 1, cr;

	var courses, course = 0;

	switch(road){

		case 'BL': c = cl; r = 0; courses = ['r+', 'c-', 'r-', 'c-']; break;

		case 'RT': c = 0; r = rl; courses = ['c+', 'r-', 'c-', 'r-']; break;

		case 'TL': c = cl; r = rl; courses = ['r-', 'c-', 'r+', 'c-']; break;

		case 'LT': c = cl; r = rl; courses = ['c-', 'r-', 'c+', 'r-']; break;

		case 'BR': c = 0; r = 0; courses = ['r+', 'c+', 'r-', 'c+']; break;

		case 'LB': c = cl; r = 0; courses = ['c-', 'r+', 'c+', 'r+']; break;

		case 'TR': c = 0; r = rl; courses = ['r-', 'c+', 'r+', 'c+']; break;

		default: c = 0; r = 0; courses = ['c+', 'r+', 'c-', 'r+']; break;//'RB'

	}

	i = 0;

	while(i < count){cr = r+','+c;
		if(c >= 0 && c < cols && r >= 0 && r < rows && typeof(a[cr]) == 'undefined'){a[cr] = i++;

			switch(courses[course%courses.length]){case 'c+': c++; break; case 'r+': r++; break; case 'c-': c--; break; case 'r-': r--; break;}

		}

		else{

			switch(courses[course++%courses.length]){case 'c+': c--; break; case 'r+': r--; break; case 'c-': c++; break; case 'r-': r++; break;}

			switch(courses[course++%courses.length]){case 'c+': c++; break; case 'r+': r++; break; case 'c-': c--; break; case 'r-': r--; break;}

		}

	}

	return a;

}});

Sliderman.order({name: 'straight_stairs', method: function(e){

	var cols = e.cols, rows = e.rows, road = e.road, count = e.count;

	var a = [], i = 0, c = 0, r = 0, cl = cols - 1, rl = rows - 1, il = count - 1, cr;

	switch(road){

		case 'BL': case 'TR': case 'TL': case 'BR': var C = 0, R = 0; break;

		case 'LB': case 'RT': case 'LT': case 'RB': default: road = 'RB'; var C = cl, R = 0; break;

	}

	c = C; r = R;

	while(i < count){cr = r+','+c;

		if(road.indexOf('T') == 1 || road.indexOf('R') == 1) a[cr] = il - i++;

		else a[cr] = i++;

		switch(road){

			case 'BL': case 'TR': c--; r++; break;

			case 'TL': case 'BR': c++; r--; break;

			case 'LB': case 'RT': c--; r--; break;

			case 'RB': case 'LT': default: c++; r++; break;

		}

		if(c < 0 || r < 0 || c > cl || r > rl){

			switch(road){

				case 'BL': case 'TR': C++; break;

				case 'LB': case 'RT': case 'TL': case 'BR': R++; break;

				case 'RB': case 'LT': default: C--; break;

			}

			if(C < 0 || R < 0 || C > cl || R > rl){

				switch(road){

					case 'BL': case 'TR': C = cl; R++; break;

					case 'TL': case 'BR': R = rl; C++; break;

					case 'LB': case 'RT': R = rl; C--; break;

					case 'RB': case 'LT': default: C = 0; R++; break;

				}

				if(R > rl) R = rl; else if(R < 0) R = 0; else if(C > cl) C = cl; else if(C < 0) C = 0;

			}

			r = R; c = C;

		}

	}

	return a;

}});

Sliderman.order({name: 'square', method: function(effect){

	var cols = effect.cols || 1, rows = effect.rows || 1, arr = [], i = 0, c, r, dc, dr, cr;

	dc = cols < rows ? (rows-cols)/2 : 0; dr = cols > rows ? (cols-rows)/2 : 0; cr = Math.round(Math.max(cols/2, rows/2)) + 1;

	for(c = 0; c < cols; c++) for(r = 0; r < rows; r++) arr[r+','+c] = cr - Math.min(c+1+dc, r+1+dr, cols-c+dc, rows-r+dr);

	return arr;

}});

Sliderman.order({name: 'rectangle', method: function(effect){

	var cols = effect.cols || 1, rows = effect.rows || 1, arr = [], i = 0, c, r, cr;

	cr = Math.round(Math.min(cols/2, rows/2)) + 1;

	for(c = 0; c < cols; c++) for(r = 0; r < rows; r++) arr[r+','+c] = cr - Math.min(c+1, r+1, cols-c, rows-r);

	return arr;

}});

Sliderman.order({name: 'random', method: function(effect){

	var a = [], tmp = [], r, c, i;

	for(r = 0; r < effect.rows; r++) for(c = 0; c < effect.cols; c++) tmp.push(r+','+c);

	tmp.sort(function(a,b){return Math.random() > 0.5;});

	for(i = 0; i < effect.count; i++) a[tmp[i]] = i;

	return a;

}});

Sliderman.order({

	name: 'circle', method: function(effect){

  	var cols = effect.cols || 1, rows = effect.rows || 1, arr = [], i = 0, c, r;

  	var hc = cols/2-0.5, hr = rows/2-0.5;

		for(c = 0; c < cols; c++) for(r = 0; r < rows; r++) arr[r+','+c] = Math.round(Math.sqrt(Math.pow(c-hc, 2)+Math.pow(r-hr, 2)));

		return arr;

	}

});

Sliderman.order({

	name: 'cross', method: function(effect){

  	var cols = effect.cols || 1, rows = effect.rows || 1, arr = [], i = 0, c, r;

  	var hc = cols/2-0.5, hr = rows/2-0.5;

		for(c = 0; c < cols; c++) for(r = 0; r < rows; r++) arr[r+','+c] = Math.round(Math.min(Math.abs(c-hc), Math.abs(r-hr)));

		return arr;

	}

});

Sliderman.order({

	name: 'rectangle_cross', method: function(effect){

  	var cols = effect.cols || 1, rows = effect.rows || 1, arr = [], i = 0, c, r;

  	var hc = cols/2-0.5, hr = rows/2-0.5, cr = Math.max(hc, hr)+1;

		for(c = 0; c < cols; c++) for(r = 0; r < rows; r++) arr[r+','+c] = Math.round(cr-Math.max(hc-Math.abs(c-hc), hr-Math.abs(r-hr)))-1;

		return arr;

	}

});

/* predefined effects */

Sliderman.effect({name: 'fade', fade: true, duration: 400});

Sliderman.effect({name: 'move', left: true, move: true, duration: 400});

Sliderman.effect({name: 'stairs', cols: 7, rows: 5, delay: 30, order: 'straight_stairs', road: 'BL', fade: true});

Sliderman.effect({name: 'blinds', cols: 10, delay: 100, duration: 400, order: 'straight', right: true, zoom: true, fade: true});

Sliderman.effect({name: 'rain', cols: 10, delay: 100, duration: 400, order: 'straight', top: true, fade: true});






