(function() {
	var q = function(a) {
		return typeof a === 'string' ? document.getElementById(a) : a
	},
	$tag = function(a, b) {
		return (q(b) || document).getElementsByTagName(a)
	},
	$tag_ = function(a, b) {
		return $getChild(a, b, 'tag')
	},
	$class = function(a, b) {
		var c = $tag('*', b),
		arr = [];
		for (var i = 0,
		l = c.length; i < l; i++) {
			if (hasClass(a, c[i])) {
				arr.push(c[i])
			}
		}
		return arr
	},
	$class_ = function(a, b) {
		return $getChild(a, b)
	},
	$getChild = function(a, b, c) {
		var d = [],
		fn = c === 'tag' ? $tag: $class,
		doms = fn(a, b),
		len = doms.length;
		for (var i = 0; i < len; i++) {
			if (doms[i].parentNode === b) d.push(doms[i]);
			i += fn(a, doms[i]).length
		}
		return d
	},
	hasClass = function(a, b) {
		return eval('/(^|\\s)' + a + '(\\s|$)/').test(b.className)
	};
	myFocus = function(a) {
		return new myFocus.constr(a)
	};
	myFocus.extend = function() {
		var a = arguments,
		len = a.length;
		if (this === myFocus) {
			if (len === 1) dest = myFocus,
			i = 0;
			else dest = a[0],
			i = 1
		} else {
			dest = this,
			i = 0
		}
		for (i; i < len; i++) {
			for (var p in a[i]) {
				dest[p] = a[i][p]
			}
		}
		return dest
	};
	myFocus.extend({
		defConfig: {
			pattern: 'mF_fancy',
			trigger: 'click',
			txtHeight: 'default',
			wrap: true,
			auto: true,
			time: 4,
			index: 0,
			loadingShow: true,
			delay: 100,
			autoZoom: false,
			onChange: null,
			xmlFile: '',
			__focusConstr__: true
		},
		constr: function(a) {
			var e = a,
			len = e && e.length;
			if (e instanceof myFocus.constr) return e;
			this.length = 0;
			if (!e || (e.sort && !len) || (e.item && !len)) {
				Array.prototype.push.call(this)
			} else if (e.__focusConstr__) {
				e = q(e.id);
				Array.prototype.push.call(this, e);
				this.settings = a;
				this.HTMLUList = $tag('li', $tag('ul', e)[0]);
				this.HTMLUListLength = this.HTMLUList.length
			} else if (len) {
				for (var i = 0; i < len; i++) Array.prototype.push.call(this, e[i])
			} else {
				Array.prototype.push.call(this, e)
			}
			return this
		},
		fn: {
			splice: [].splice
		},
		pattern: {},
		config: {}
	});
	myFocus.constr.prototype = myFocus.fn;
	myFocus.fn.extend = myFocus.pattern.extend = myFocus.config.extend = myFocus.extend;
	myFocus.fn.extend({
		find: function(b) {
			var c = this,
			isChild = false,
			$ = myFocus;
			var d = this.parseSelector(b);
			if (this.length) for (var i = 0,
			len = d.length; i < len; i++) {
				var f = [],
				s = d[i];
				switch (s.charAt(0)) {
				case '>':
					isChild = true;
					break;
				case '.':
					var g = s.slice(1);
					var h = isChild ? $class_: $class;
					$(c).each(function() {
						f = f.concat(h(g, this))
					});
					isChild = false;
					break;
				case '#':
					var j = s.slice(1),
					e = q(j);
					if (e) f.push(q(j));
					isChild = false;
					break;
				default:
					var h = isChild ? $tag_: $tag,
					sArr = s.split('.');
					var k = sArr[0],
					g = sArr[1];
					$(c).each(function() {
						var a = h(k, this);
						for (var i = 0,
						len = a.length; i < len; i++) {
							if (g && !hasClass(g, a[i])) continue;
							f.push(a[i])
						}
					});
					isChild = false
				}
				if (!isChild) c = f
			}
			return $(c)
		},
		parent: function() {
			return myFocus(this[0].parentNode)
		},
		html: function(s) {
			if (typeof s !== 'undefined') {
				this[0].innerHTML = s;
				return this
			} else return this[0].innerHTML
		},
		each: function(a) {
			var b = this;
			for (var i = 0,
			len = b.length; i < len; i++) {
				var c = a.call(b[i], i);
				if (c === false) break;
				if (c === true) continue
			}
			return this
		},
		eq: function(n) {
			return myFocus(this[n])
		},
		parseSelector: function(a) {
			var b = /(([^[\]'"]+)+\]|\\.|([^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?/g;
			var c = [],
			m;
			while ((m = b.exec(a)) !== null) {
				c.push(m[1])
			}
			return c
		},
		wrap: function(a) {
			var o = this[0],
			e = document.createElement('div');
			e.innerHTML = a;
			var b = e.firstChild;
			o.parentNode.replaceChild(b, o);
			b.appendChild(o);
			return this
		},
		addHtml: function(a) {
			var b = this[0];
			var e = document.createElement('div');
			e.innerHTML = a;
			var c = e.childNodes[0];
			b.appendChild(c);
			return myFocus(c)
		},
		addList: function(a, b) {
			var c = this.HTMLUList,
			n = this.HTMLUListLength;
			var d = ['<div class="' + a + '"><ul>'];
			for (var i = 0; i < n; i++) {
				var e = $tag('img', c[i])[0],
				html;
				switch (b) {
				case 'num':
					html = '<a>' + (i + 1) + '</a><b></b>';
					break;
				case 'txt':
					html = e ? c[i].innerHTML.replace(/\<img(.|\n|\r)*?\>/i, e.alt) + '<p>' + e.getAttribute("text") + '</p><b></b>': '';
					break;
				case 'thumb':
					html = e ? '<a><img src=' + (e.getAttribute("thumb") || e.src) + ' /></a><b></b>': '';
					break;
				default:
					html = '<a></a><b></b>'
				}
				d.push('<li>' + html + '</li>')
			}
			d.push('</ul></div>');
			return this.addHtml(d.join(''))
		},
		addListNum: function(a) {
			return this.addList(a || 'num', 'num')
		},
		addListTxt: function(a) {
			return this.addList(a || 'txt', 'txt')
		},
		addListThumb: function(a) {
			return this.addList(a || 'thumb', 'thumb')
		},
		remove: function() {
			var o = this[0];
			if (o) o.parentNode.removeChild(o)
		},
		repeat: function(n) {
			var n = n || 2,
			pNode = this[0].parentNode,
			html = pNode.innerHTML,
			s = [];
			for (var i = 0; i < n; i++) s.push(html);
			pNode.innerHTML = s.join('');
			return myFocus(pNode).find(this[0].nodeName)
		}
	});
	myFocus.fn.extend({
		css: function(b) {
			var o = this[0],
			value,
			arr = [';'],
			isIE = myFocus.isIE;
			if (!o) return this;
			if (typeof b === 'string') {
				if (b === 'float') b = isIE ? 'styleFloat': 'cssFloat';
				if (! (value = o.style[b])) value = (isIE ? o.currentStyle: getComputedStyle(o, ''))[b];
				if (b === 'opacity' && value === undefined) value = 1;
				if (value === 'auto' && (b === 'width' || b === 'height')) value = o['offset' + b.replace(/\w/i,
				function(a) {
					return a.toUpperCase()
				})];
				var c = parseFloat(value);
				return isNaN(c) ? value: c
			} else {
				for (var p in b) {
					if (typeof b[p] === 'number' && !this.cssNumber[p]) b[p] += 'px';
					arr.push(p.replace(/([A-Z])/g, '-$1') + ':' + b[p] + ';');
					if (p === 'opacity') arr.push('filter:alpha(opacity=' + b[p] * 100 + ')')
				}
				o.style.cssText += arr.join('');
				return this
			}
		},
		setOpacity: function(a) {
			this[0].style.opacity = a,
			this[0].style.filter = 'alpha(opacity=' + a * 100 + ')'
		},
		setAnimateStyle: function(a, b, m) {
			this[0].style[b] = Math[m](a) + 'px'
		},
		addClass: function(a) {
			this[0].className += ' ' + a;
			return this
		},
		removeClass: function(a) {
			var o = this[0],
			cls = a && o.className,
			reg = "/\\s*\\b" + a + "\\b/g";
			o.className = cls ? cls.replace(eval(reg), '') : '';
			return this
		},
		cssNumber: {
			fillOpacity: true,
			fontWeight: true,
			lineHeight: true,
			opacity: true,
			orphans: true,
			widows: true,
			zIndex: true,
			zoom: true
		}
	});
	myFocus.fn.extend({
		animate: function(a, f, g, h, i, j) {
			var k = this,
			o = k[0],
			isOpacity = a === 'opacity',
			diffValue = false;
			i && i.call(o);
			if (typeof f === 'string') {
				if (/^[+-]=\d+/.test(f)) f = f.replace('=', ''),
				diffValue = true;
				f = parseFloat(f)
			}
			var l = k.css(a),
			b = isNaN(l) ? 0 : l,
			c = diffValue ? f: f - b,
			d = g,
			e = this.easing[h],
			m = c > 0 ? 'ceil': 'floor',
			timerId = '__myFocusTimer__' + a,
			setProperty = k[isOpacity ? 'setOpacity': 'setAnimateStyle'],
			origTime = (new Date) * 1;
			o[timerId] && clearInterval(o[timerId]);
			o[timerId] = setInterval(function() {
				var t = (new Date) - origTime;
				if (t <= d) {
					setProperty.call(k, e(t, b, c, d), a, m)
				} else {
					setProperty.call(k, b + c, a, m);
					clearInterval(o[timerId]),
					o[timerId] = null;
					j && j.call(o)
				}
			},
			13);
			return this
		},
		fadeIn: function(a, b, c) {
			if (typeof a !== 'number') c = a,
			a = 400;
			if (typeof b === 'function') c = b,
			b = '';
			this.animate('opacity', 1, a, b || 'linear',
			function() {
				myFocus(this).css({
					display: 'block',
					opacity: 0
				})
			},
			c);
			return this
		},
		fadeOut: function(a, b, c) {
			if (typeof a !== 'number') c = a,
			a = 400;
			if (typeof b === 'function') c = b,
			b = '';
			this.animate('opacity', 0, a, b || 'linear', null,
			function() {
				this.style.display = 'none';
				c && c.call(this)
			});
			return this
		},
		slide: function(a, b, c, d) {
			if (typeof b !== 'number') d = b,
			b = 800;
			if (typeof c === 'function') d = c,
			c = '';
			for (var p in a) this.animate(p, a[p], b, c || 'easeOut', null, d);
			return this
		},
		stop: function() {
			var o = this[0];
			for (var p in o) if (p.indexOf('__myFocusTimer__') !== -1) o[p] && clearInterval(o[p]);
			return this
		},
		easing: {
			linear: function(t, b, c, d) {
				return c * t / d + b
			},
			swing: function(t, b, c, d) {
				return - c / 2 * (Math.cos(Math.PI * t / d) - 1) + b
			},
			easeIn: function(t, b, c, d) {
				return c * (t /= d) * t * t * t + b
			},
			easeOut: function(t, b, c, d) {
				return - c * ((t = t / d - 1) * t * t * t - 1) + b
			},
			easeInOut: function(t, b, c, d) {
				return ((t /= d / 2) < 1) ? (c / 2 * t * t * t * t + b) : (-c / 2 * ((t -= 2) * t * t * t - 2) + b)
			}
		}
	});
	myFocus.fn.extend({
		bind: function(a, b) {
			myFocus.addEvent(this[0], a, b);
			return this
		},
		play: function(b, c, d) {
			var f = this,
			p = f.settings,
			n = f.HTMLUListLength,
			t = p.time * 1000,
			d = d || false,
			float = myFocus(f.HTMLUList).css('float'),
			isLevel = float === 'left',
			direction = isLevel ? 'left': 'top',
			distance = isLevel ? p.width: p.height,
			indexLast = 0,
			indexCurrent = p.index;
			f.find('.loading').remove();
			f.run = function(a) {
				b && b(indexLast, n);
				indexCurrent = typeof a === 'string' ? indexLast + parseInt(a.replace('=', '')) : a;
				if (indexCurrent <= -1) {
					indexCurrent = n - 1;
					if (d) f.HTMLUList[0].parentNode.style[direction] = -n * distance + 'px'
				}
				if (indexCurrent >= n) {
					if (!d) indexCurrent = 0;
					if (indexCurrent >= 2 * n) {
						f.HTMLUList[0].parentNode.style[direction] = -(n - 1) * distance + 'px';
						indexCurrent = n
					}
				}
				if (d && indexLast >= n && indexCurrent < n) indexCurrent += n;
				c && c(indexCurrent, n, indexLast);
				f.runIndex = indexLast = indexCurrent;
				p.onChange && p.onChange.call(f, indexCurrent)
			};
			try {
				f.run(indexCurrent)
			} catch(e) {
				setTimeout(function() {
					f.run(indexCurrent)
				},
				0)
			};
			if (p.auto && n > 1) {
				f.runTimer = setInterval(function() {
					f.run('+=1')
				},
				t);
				f.bind('mouseover',
				function() {
					clearInterval(f.runTimer);
					f.runTimer = 'pause'
				}).bind('mouseout',
				function() {
					if (!f.isStop && f.runTimer === 'pause') f.runTimer = setInterval(function() {
						f.run('+=1')
					},
					t)
				})
			}
			f.find('a').each(function() {
				this.onfocus = function() {
					this.blur()
				}
			})
		},
		bindControl: function(a, b) {
			var c = this,
			p = c.settings,
			type = p.trigger,
			delay = p.delay,
			par = b || {},
			tsNum = par.thumbShowNum || p.thumbShowNum;
			var d = function() {
				if (this.index !== c.runIndex && !par.isRunning) {
					c.run(this.index);
					return false
				}
			};
			a.each(function(i) {
				this.index = i;
				var o = this,
				$o = myFocus(o);
				if (type === 'click') {
					$o.bind('mouseover',
					function() {
						$o.addClass('hover')
					}).bind('mouseout',
					function() {
						$o.removeClass('hover')
					}).bind('click', d)
				} else if (type === 'mouseover') {
					$o.bind('mouseover',
					function() {
						if (delay === 0) d.call(o);
						else a.mouseoverTimer = setTimeout(function() {
							d.call(o)
						},
						delay)
					}).bind('mouseout',
					function() {
						a.mouseoverTimer && clearTimeout(a.mouseoverTimer)
					})
				} else {
					alert('myFocus Error Setting(trigger) : \"' + type + '\"');
					return false
				}
			});
			if (tsNum) {
				var e = a.css('float'),
				isLevel = e === 'left' || e === 'right';
				a.dir = isLevel ? 'left': 'top';
				a.n = c.HTMLUListLength;
				a.showNum = tsNum;
				a.showStart = p.index;
				a.showEnd = a.showStart + tsNum - 1;
				a.distance = a.css(isLevel ? 'width': 'height');
				a.slideBody = a.parent()
			}
		},
		scrollTo: function(i, a) {
			var n = this.n,
			dir = this.dir,
			$ul = this.slideBody,
			css = {};
			if (i >= this.showEnd) {
				this.showEnd = i < n - 1 ? i + 1 : i;
				this.showStart = this.showEnd - this.showNum + 1
			} else if (i <= this.showStart) {
				this.showStart = i > 0 ? i - 1 : 0;
				this.showEnd = this.showStart + this.showNum - 1
			}
			css[dir] = -this.showStart * this.distance;
			$ul.slide(css, a || 500, 'easeOut');
			return this
		}
	});
	myFocus.extend({
		set: function(p, c) {
			var F = this,
			id = p.id,
			oStyle = F.initBaseCSS(id);
			p.pattern = p.pattern || F.defConfig.pattern;
			p.__clsName = p.pattern + '_' + id;
			F.addEvent(window, 'load',
			function() {
				F.onloadWindow = true
			});
			F.loadPattern(p,
			function() {
				p = F.extend({},
				F.defConfig, F.config[p.pattern], p);
				F.getBoxReady(p,
				function() {
					var b = F(q(id));
					p.$o = b;
					p.xmlFile && F.loadXML(p);
					p.pic = $class('pic', b[0])[0];
					p.width = p.width || b.css('width'),
					p.height = p.height || b.css('height');
					F.initCSS(p, oStyle);
					b.addClass(p.pattern + ' ' + p.__clsName);
					F.getIMGReady(p,
					function(a) {
						if (p.autoZoom) F.zoomIMG(p, a);
						F.pattern[p.pattern](p, F);
						c && c()
					})
				})
			})
		},
		onloadWindow: false,
		loadPattern: function(p, a) {
			if (this.pattern[p.pattern]) {
				a();
				return
			}
			var b = this.getFilePath() + 'mf-pattern/' + p.pattern;
			var c = document.createElement("script"),
			css = document.createElement("link"),
			src = b + '.js',
			href = b + '.css';
			c.type = "text/javascript",
			c.src = src;
			css.rel = "stylesheet",
			css.href = href;
			var d = $tag('head')[0],
			isSuccess = false,
			timeout = 10 * 1000;
			d.appendChild(css);
			d.appendChild(c);
			c.onload = c.onreadystatechange = function() {
				if (isSuccess) return;
				if (!c.readyState || c.readyState == "loaded" || c.readyState == "complete") {
					isSuccess = true;
					a();
					c.onload = c.onreadystatechange = null
				}
			};
			setTimeout(function() {
				if (!isSuccess) q(p.id).innerHTML = '加载失败: ' + src
			},
			timeout)
		},
		getFilePath: function() {
			var a = '';
			var b = $tag("script");
			for (var i = 0,
			len = b.length; i < len; i++) {
				var c = b[i].src;
				if (c && /myfocus([\.-].*)?\.js/i.test(c)) {
					a = c;
					break
				}
			};
			return a.slice(0, a.lastIndexOf('/') + 1)
		},
		getBoxReady: function(p, a) {
			var F = this; (function() {
				try {
					if (F.isIE) q(p.id).doScroll();
					else q(p.id).innerHTML;
					a()
				} catch(e) {
					if (!F.onloadWindow) setTimeout(arguments.callee, 0)
				}
			})()
		},
		getIMGReady: function(p, a) {
			var b = p.loadingShow;
			var c = q(p.id),
			img = $tag('img', p.pic),
			len = img.length,
			count = 0,
			done = false,
			arrSize = new Array(len);
			if (!b || !len) {
				a();
				return
			}
			for (var i = 0; i < len; i++) {
				var d = new Image();
				d.i = i;
				d.onload = function() {
					count += 1;
					arrSize[this.i] = {
						w: this.width,
						h: this.height
					};
					if (count == len && !done) {
						done = true,
						a(arrSize)
					}
				};
				d.src = img[i].src
			}
		},
		zoomIMG: function(p, a) {
			var b = $tag('img', p.pic),
			len = b.length,
			boxWidth = p.width,
			boxHeight = p.height;
			for (var i = 0; i < len; i++) {
				var w = a[i].w,
				h = a[i].h;
				if (w == boxWidth && h == boxHeight) continue;
				if (w < boxWidth && h < boxHeight) {
					var c = w,
					height = h,
					top = (boxHeight - height) / 2
				} else if (w / h >= boxWidth / boxHeight) {
					var c = boxWidth,
					height = boxWidth / w * h,
					top = (boxHeight - height) / 2
				} else {
					var c = boxHeight / h * w,
					height = boxHeight,
					top = 0
				}
				b[i].style.cssText = ';width:' + c + 'px;height:' + height + 'px;margin-top:' + top + 'px;'
			}
		},
		initCSS: function(p, a) {
			var b = [],
			w = p.width || '',
			h = p.height || '';
			if (p.pic) {
				b.push('.' + p.__clsName + ' *{margin:0;padding:0;border:0;list-style:none;}.' + p.__clsName + '{position:relative;width:' + w + 'px;height:' + h + 'px;overflow:hidden;font:12px/1.5 Verdana;text-align:left;background:#fff;visibility:visible!important;}.' + p.__clsName + ' .pic{position:relative;width:' + w + 'px;height:' + h + 'px;overflow:hidden;}.' + p.__clsName + ' .txt li{width:' + w + 'px;height:' + p.txtHeight + 'px!important;overflow:hidden;}');
				if (p.wrap) p.$o.wrap('<div class="' + p.pattern + '_wrap"></div>');
				if (p.autoZoom) b.push('.' + p.__clsName + ' .pic li{text-align:center;width:' + w + 'px;height:' + h + 'px;}')
			}
			try {
				a.styleSheet.cssText = b.join('')
			} catch(e) {
				a.innerHTML = b.join('')
			}
		},
		initBaseCSS: function(a) {
			var s = '#' + a + ' *{display:none}',
			oStyle = document.createElement('style');
			oStyle.type = 'text/css';
			try {
				oStyle.styleSheet.cssText = s
			} catch(e) {
				oStyle.innerHTML = s
			}
			var b = $tag('head', document)[0];
			b.insertBefore(oStyle, b.firstChild);
			return oStyle
		}
	});
	myFocus.extend({
		isIE: !!(document.all && navigator.userAgent.indexOf('Opera') === -1),
		addEvent: function(o, a, b) {
			var c = this.isIE,
			e = c ? 'attachEvent': 'addEventListener',
			t = (c ? 'on': '') + a;
			o[e](t,
			function(e) {
				var e = e || window.event,
				flag = b.call(o, e);
				if (flag === false) {
					if (c) e.cancelBubble = true,
					e.returnValue = false;
					else e.stopPropagation(),
					e.preventDefault()
				}
			},
			false)
		},
		loadXML: function(p) {
			var a = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLDOM");
			a.open("GET", p.xmlFile + "?" + Math.random(), false);
			a.send(null);
			this.appendXML(a.responseXML, p)
		},
		appendXML: function(a, p) {
			var b = a.documentElement.getElementsByTagName("item"),
			len = b.length;
			var c = ['<div class="loading"></div><div class="pic"><ul>'];
			for (var i = 0; i < len; i++) {
				c.push('<li><a href="' + b[i].getAttribute('href') + '"><img src="' + b[i].getAttribute('image') + '" thumb="' + b[i].getAttribute('thumb') + '" alt="' + b[i].getAttribute('title') + '" text="' + b[i].getAttribute('text') + '" /></a></li>')
			}
			c.push('</ul></div>');
			p.$o[0].innerHTML = c.join('')
		}
	});
	if (typeof jQuery !== 'undefined') {
		jQuery.fn.extend({
			myFocus: function(p, a) {
				if (!p) p = {};
				p.id = this[0].id;
				if (!p.id) p.id = this[0].id = 'mF__ID__';
				myFocus.set(p, a)
			}
		})
	}
})();