base库

柔情只为你懂 2022-06-07 02:47 113阅读 0赞

var Browser=\{  
isIE:!!window.ActiveXObject,  
isOpera:window.opera+"" =="\[object Opera\]"  
\};  
String.prototype.repeat=function (n) \{  
//n表示字符串重得的次数  
return new Array(n+1).join(this);  
\};  
String.prototype.trim=function () \{  
return this.replace(/^\\s+/,"").replace(/\\s+$/,"");  
\};  
Number.prototype.inter=function (a,b) \{//检测数字是否在区间之内  
var min=Math.min(a,b),max=Math.max(a,b);  
return this==a || this==b || (Math.max(this,min)==this && Math.min(this,max)==this);  
\};  
var Base=\{\};  
Base.extend=function (src,dest) \{  
for (var i in src) \{  
if (src\[i\]!=undefined) \{  
dest\[i\]=src\[i\];  
\}  
\}  
\};  
(function () \{  
function jsonEncode(o) \{  
if (window.JSON+""==="\[object JSON\]") \{  
return JSON.stringify(o);  
\}  
var t=typeof o;  
switch(t) \{  
case "string":  
return '"'+addslashes(o)+'"';  
case "number":  
case "boolean":  
return o+"";  
case "undefined":  
case "function":  
case "unknow":  
return "null";  
case "object":  
if (!o) return "null";  
var ret=\[\];  
if (o instanceof Array) \{  
for (var i=0;i<o.length;i++) \{  
ret.push(jsonEncode(o\[i\]));  
\}  
return "\["+ret.join(",")+"\]";  
\} else \{  
for (var i in o) \{  
ret.push(jsonEncode(i)+":"+jsonEncode(o\[i\]));  
\}  
return "\{"+ret.join(",")+"\}";  
\}  
  
\}  
\}  
//  
  
var specialChars=\{  
'"':'\\\\"',  
'\\\\':'\\\\\\\\',  
"\\n":"\\\\n",  
"\\r":"\\\\r"  
\};  
function addslashes(s) \{//转义特殊字符  
return s.replace(/\\\\|\\n|\\r|"/g,function (m) \{  
return specialChars\[m\];  
\});  
\}  
  
Base.jsonEncode=jsonEncode;  
Base.addslashes=addslashes;  
\})();  
  
  
  
  
Base.init=function (Class,$this,args) \{  
$this.originalArgs=args;  
for (var i in args) \{  
$this\[i\]=args\[i\];  
\}  
if (Class.defaultArgs) \{  
for (i in Class.defaultArgs) \{  
if (args\[i\]===undefined)  
$this\[i\]=Class.defaultArgs\[i\].valueOf($this);  
\}  
\}  
  
  
\};  
  
if (document.implementation && document.implementation.createDocument) \{  
//W3C  
Base.getXMLDOM=function () \{//获取一个XMLDOM对象  
return document.implementation.createDocument("","",null);  
\};  
Base.loadXMLFile=function (xmlDom,url,callback) \{  
if (xmlDom.async===true) \{  
xmlDom.οnlοad=function () \{  
if (xmlDom.documentElement.nodeName=="parsererror") \{  
throw new Error("XML Parse Error:"+xmlDom.documentElement.firstChild.nodeValue);  
\} else \{  
callback.call(xmlDom);  
\}  
\};  
\}  
xmlDom.load(url);  
return xmlDom;  
\};  
Base.loadXMLString=function (xmlDom,s) \{  
var p = new DOMParser();  
var newDom=p.parseFromString(s,"text/xml");  
if (newDom.documentElement.nodeName=="parsererror") \{  
throw new Error("XML Parse Error:"+newDom.documentElement.firstChild.nodeValue);  
\}  
while (xmlDom.firstChild) \{  
xmlDom.removeChild(xmlDom.firstChild);  
\}  
for (var i=0,n;i<newDom.childNodes.length;i++) \{  
n=xmlDom.importNode(newDom.childNodes\[i\],true);  
//importNode用于把其它文档中的节点导入到当前文档中  
//true参数同时导入子节点  
xmlDom.appendChild(n);  
\}  
return xmlDom;  
\};  
Base.getXML=function (xmlNode) \{  
var s= new XMLSerializer();  
return s.serializeToString(xmlNode,"text/xml");  
\};  
\} else if (window.ActiveXObject) \{  
//IE  
Base.getXMLDOM=function () \{  
return new ActiveXObject("Microsoft.XmlDom");  
\};  
Base.loadXMLFile=function (xmlDom,url,callback) \{  
xmlDom.onreadystatechange=function () \{  
if (xmlDom.readyState===4) \{  
if (xmlDom.parseError.errorCode===0) \{  
callback.call(xmlDom);  
\} else \{  
throw new Error("XML Parse Error:"+xmlDom.parseError.reason);  
\}  
\}  
\};  
xmlDom.load(url);  
return xmlDom;  
\};  
Base.loadXMLString=function (xmlDom,s) \{  
xmlDom.loadXML(s);  
if (xmlDom.parseError.errorCode!==0) \{  
throw new Error("XML Parse Error:"+xmlDom.parseError.reason);  
\}  
return xmlDom;  
\};  
Base.getXML=function (xmlNode) \{  
return xmlNode.xml;  
\};  
\}  
  
  
  
  
Base.selectSingleNode=function (node,xpath) \{  
if ("selectSingleNode" in node) \{  
return node.selectSingleNode(xpath);  
\} else \{  
var eva = new XPathEvaluator();  
var result=eva.evaluate(xpath,xmlDom,null,XPathResult.ORDERED\_NODE\_ITERATOR\_TYPE,null);  
if (result) \{//XPath执行失败会返回null  
var node;  
while (node=result.iterateNext()) \{  
return node;  
\}  
\}  
\}  
  
\};  
  
  
  
  
Base.selectNodes=function (node,xpath) \{  
if ("selectNodes" in node) \{  
return node.selectNodes(xpath);  
\} else \{  
var eva = new XPathEvaluator();  
var result=eva.evaluate(xpath,xmlDom,null,XPathResult.ORDERED\_NODE\_ITERATOR\_TYPE,null);  
if (result) \{//XPath执行失败会返回null  
var node,nodes=\[\];  
while (node=result.iterateNext()) \{  
nodes.push(node);  
\}  
return nodes;  
\}  
\}  
\};  
  
  
Base.transform=function (xml,xslt,callback) \{  
var xmlDom,xsltDom;  
if (typeof xml=="string") \{  
xmlDom=Base.getXMLDOM();  
Base.loadXMLFile(xmlDom,xml,function () \{  
xsltDom=Base.getXMLDOM();  
Base.loadXMLFile(xsltDom,xslt,function () \{  
callback(trans());  
\});  
\});  
\} else \{  
xmlDom=xml;  
xsltDom=xslt;  
\}  
  
  
  
  
function trans() \{  
if ("transformNode" in xmlDom) \{  
return xmlDom.transformNode(xsltDom);  
\} else \{  
var xsltpro=new XSLTProcessor();  
xsltpro.importStylesheet(xsltDom);  
var result=xsltpro.transformToDocument(xmlDom);  
return Base.getXML(result);  
\}  
\}  
  
\};  
  
Base.createXHR=function () \{  
return window.XMLHttpRequest?  
new XMLHttpRequest():  
new ActiveXObject("Microsoft.XMLHTTP");//IE6  
\}  
/\*\*  
args \{  
url  
method 默认值为get  
success Function  
data \{key:value\}  
cache Boolean true表示缓存,默认值为false  
\}  
\*/  
Base.ajax=function(args) \{  
var xhr=Base.createXHR(),data=Base.params(args.data);  
args.method=args.method || "get";  
  
if (/get/i.test(args.method)) \{  
args.url+="?"+data;  
\}  
if (!args.cache) \{  
if (args.url.indexOf("?")<0) args.url+="?";  
args.url+="&"+(+new Date());  
\}  
xhr.open(args.method,args.url,true);  
  
xhr.onreadystatechange=function () \{  
if (xhr.readyState===4 && xhr.status===200) \{  
args.success(xhr.responseText,xhr.responseXML);  
\}  
\};  
if (/post/i.test(args.method)) \{  
xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");  
xhr.send(data);  
\} else \{  
xhr.send();  
\}  
  
\}  
  
  
  
  
Base.params=function (o) \{  
var a=\[\];  
for (var i in o) \{  
if (o\[i\]!=undefined) \{  
a.push(encodeURIComponent(i)+"="+encodeURIComponent(o\[i\]));  
\}  
\}  
return a.join("&");  
\}  
Base.prefix=function (n,pos) \{  
//接受一个数字，加前导0  
//pos 表示当数字少于pos位的时候，加前导0  
n=""+n;  
//n=12,pos=4; 0012  
if (n.length<pos) \{  
n="0".repeat(pos-n.length)+n;  
\}  
return n;  
\};  
  
  
Base.swapNode =function (a,b) \{  
//parentNode.insertBefore(要插入的节点,原来的节点)  
//parentNode.replaceChild(newNode,child)  
//parentNode.appendChild  
  
var tmp=document.createTextNode("");  
a.parentNode.replaceChild(tmp,a);  
b.parentNode.replaceChild(a,b);  
tmp.parentNode.replaceChild(b,tmp);  
  
  
\};  
  
  
Base.delNode=function () \{  
for (var i=0,node;i<arguments.length;i++) \{  
node=arguments\[i\];  
node.parentNode.removeChild(node);  
\}  
\};  
  
  
  
  
function date(s,t) \{  
//s Y-m-d H:i:s  
//t new Date()  
t=t || new Date();  
var re=/Y|m|d|H|i|s/g;  
return s.replace(re,function($1) \{  
switch($1) \{  
case "Y":return t.getFullYear();  
case "m":return t.getMonth()+1;  
case "d":return t.getDate();  
case "H":return t.getHours();  
case "i":return t.getMinutes();  
case "s":return t.getSeconds();  
\}  
return $1;  
\});  
  
\}  
/\*  
function $(id) \{  
return document.getEementById(id);  
\}\*/  
  
  
function htmlEncode(html) \{  
//return html.replace("<","<").replace(">",">")  
arguments.callee.textNode.nodeValue=html;  
return arguments.callee.div.innerHTML;  
\}  
htmlEncode.div=document.createElement("div");  
htmlEncode.textNode=document.createTextNode("");  
htmlEncode.div.appendChild(htmlEncode.textNode);  
//命名冲突  
  
  
/\*  
var htmlEncode=(function () \{  
var div=document.createElement("div");  
  var t=document.createTextNode("");  
div.appendChild(t);  
return function (html) \{  
//return html.replace("<","<").replace(">",">")  
t.nodeValue=html;  
return div.innerHTML;  
\};  
\})();  
\*/  
  
  
  
  
  
  
function getByClass(className,context) \{  
context=context || document;  
if (context.getElementsByClassName) \{  
return context.getElementsByClassName(className);  
\}  
var nodes=context.getElementsByTagName('\*'),  
ret=\[\];  
for (var i=0;i<nodes.length;i++) \{  
if (hasClass(nodes\[i\],className)) ret.push(nodes\[i\]);  
\}  
return ret;  
\}  
function $(id) \{  
return document.getElementById(id);  
\}  
  
  
function hasClass(node,className) \{  
var names=node.className.split(/\\s+/);  
for (var i=0;i<names.length;i++) \{  
if (names\[i\]==className) return true;  
\}  
return false;  
\}  
  
  
function addClass(o,className) \{  
if (!hasClass(o,className)) o.className += " "+className;  
return o;  
\}  
function invoke(methodName,context) \{  
var args=arguments;  
return function () \{  
context\[methodName\].apply(context,\[\].slice.call(args,2));  
\};  
\}  
//invoke(fn,obj,1,2,3) 执行fn函数，并将obj设成fn内部的this指向的对象  
//1,2,3....都是传给fn的参数  
  
  
  
  
  
  
function delClass(o,className) \{  
var names=o.className.split(/\\s+/);  
for (var i=0;i<names.length;i++) \{  
if (names\[i\]==className) delete names\[i\];  
\}  
o.className=names.join(" ");  
return o;  
\}  
  
  
  
  
function animate(o,start,alter,dur,fx) \{  
var curTime=0;  
var t=setInterval(function () \{  
if (curTime>=dur) clearInterval(t);  
for (var i in start) \{  
o.style\[i\]=fx(start\[i\],alter\[i\],curTime,dur)+"px";  
\}  
curTime+=40;  
  
\},40);  
return function () \{  
clearInterval(t);  
\};  
\}  
  
  
function addEvent(obj,evt,fn) \{  
if (obj.addEventListener && !Browser.isOpera) \{  
obj.addEventListener(evt,fn,false);  
return obj;  
\}  
  
  
if (!obj.functions) obj.functions=\{\};  
if (!obj.functions\[evt\])  
obj.functions\[evt\]=\[\];  
  
//obj.functions\["mousedown"\]=\[\]  
var functions=obj.functions\[evt\];  
for (var i=0;i<functions.length;i++) \{  
if (functions\[i\]===fn) return obj;  
\}  
functions.push(fn);  
//fn.index=functions.length-1;  
  
  
if (typeof obj\["on"+evt\]=="function") \{  
//alert(obj\["on"+evt\]);//当这一行执行到时，obj\["on"+evt\] 就是handler  
//alert(obj\["on"+evt\]==handler);  
if (obj\["on"+evt\]!=handler)  
functions.push(obj\["on"+evt\]);  
\}  
obj\["on"+evt\]=handler;  
return obj;  
  
  
\}  
  
  
function delEvent(obj,evtype,fn) \{  
if (obj.removeEventListener && !Browser.isOpera) \{  
obj.removeEventListener(evtype,fn,false);  
return obj;  
\}  
var fns=obj.functions || \{\};  
fns=fns\[evtype\] || \[\];  
for (var i=0;i<fns.length;i++) \{  
if (fns\[i\]==fn) \{  
fns.splice(i,1);  
return obj;  
\}  
\}  
\}  
  
  
function handler(evt) \{//哪个事件发生了?  
//对event对象标准化  
var evt=fixEvt(evt || window.event,this);  
var evtype=evt.type;  
var functions=this.functions\[evtype\];  
for (var i=0;i<functions.length;i++) \{  
if (functions\[i\]) functions\[i\].call(this,evt);  
\}  
\}  
  
  
function fixEvt(evt,o) \{  
if (!evt.target) \{//IE  
evt.target=evt.srcElement;  
if (evt.type=="mouseover")  
evt.relatedTarget=evt.fromElement;  
else if ("mouseout"==evt.type)  
evt.relatedTarget=evt.toElement;  
  
evt.pageX=evt.clientX+document.documentElement.scrollLeft;  
evt.pageY=evt.clientY+document.documentElement.scrollTop;  
evt.stopPropagation=function () \{  
evt.cancelBubble=true;  
\};  
evt.preventDefault=function () \{  
evt.returnValue=false;  
\};  
\}  
  
//IE与Opera的offsetX,offsetY没有将边框算进之内  
if (o!=window && o.nodeType) \{//要求是一个DOM对象  
//evt.layerX=evt.offsetX+o.clientLeft;  
//evt.layerY=evt.offsetY+o.clientTop;  
//如何获取一个DOM元素在页面中的坐标  
var offset=getOffset(o);  
evt.layerX=evt.pageX-offset.x;  
evt.layerY=evt.pageY-offset.y;  
  
\}  
  
  
return evt;  
\}  
function getRealStyle(o,name) \{  
if (window.getComputedStyle) \{  
var style=window.getComputedStyle(o,null);  
return style.getPropertyValue(name);  
\} else \{  
var style=o.currentStyle;  
name=camelize(name);  
if (name=="float")  
name="styleFloat";  
return style\[name\];  
\}  
  
\}  
  
  
function camelize(s) \{//将CSS属性名转换成驼峰式  
return s.replace(/-\[a-z\]/gi,function (c) \{  
return c.charAt(1).toUpperCase();  
\});  
\}  
  
  
function getOffset(o) \{  
//o.offsetLeft  
//o.offsetTop  
//o.offsetParent  
var x=y=0,de=document.documentElement;  
if (o==de) \{  
return \{  
x:de.scrollLeft,  
y:de.scrollTop  
\};  
\}  
while (o) \{  
x+=o.offsetLeft;  
y+=o.offsetTop;  
o=o.offsetParent;  
if (o && o!=de && !Browser.isOpera) \{  
x+=o.clientLeft;  
y+=o.clientTop;  
\}  
\}  
return \{  
x:x,  
y:y  
\};  
\}  
  
  
var Tween = \{  
Linear:function (start,alter,curTime,dur) \{return start+curTime/dur\*alter;\},//最简单的线性变化,即匀速运动  
Quad:\{//二次方缓动  
easeIn:function (start,alter,curTime,dur) \{  
return start+Math.pow(curTime/dur,2)\*alter;  
\},  
easeOut:function (start,alter,curTime,dur) \{  
var progress =curTime/dur;  
return start-(Math.pow(progress,2)-2\*progress)\*alter;  
\},  
easeInOut:function (start,alter,curTime,dur) \{  
var progress =curTime/dur\*2;  
return (progress<1?Math.pow(progress,2):-((--progress)\*(progress-2) - 1))\*alter/2+start;  
\}  
\},  
Cubic:\{//三次方缓动  
easeIn:function (start,alter,curTime,dur) \{  
return start+Math.pow(curTime/dur,3)\*alter;  
\},  
easeOut:function (start,alter,curTime,dur) \{  
var progress =curTime/dur;  
return start-(Math.pow(progress,3)-Math.pow(progress,2)+1)\*alter;  
\},  
easeInOut:function (start,alter,curTime,dur) \{  
var progress =curTime/dur\*2;  
return (progress<1?Math.pow(progress,3):((progress-=2)\*Math.pow(progress,2) + 2))\*alter/2+start;  
\}  
\},  
Quart:\{//四次方缓动  
easeIn:function (start,alter,curTime,dur) \{  
return start+Math.pow(curTime/dur,4)\*alter;  
\},  
easeOut:function (start,alter,curTime,dur) \{  
var progress =curTime/dur;  
return start-(Math.pow(progress,4)-Math.pow(progress,3)-1)\*alter;  
\},  
easeInOut:function (start,alter,curTime,dur) \{  
var progress =curTime/dur\*2;  
return (progress<1?Math.pow(progress,4):-((progress-=2)\*Math.pow(progress,3) - 2))\*alter/2+start;  
\}  
\},  
Quint:\{//五次方缓动  
easeIn:function (start,alter,curTime,dur) \{  
return start+Math.pow(curTime/dur,5)\*alter;  
\},  
easeOut:function (start,alter,curTime,dur) \{  
var progress =curTime/dur;  
return start-(Math.pow(progress,5)-Math.pow(progress,4)+1)\*alter;  
\},  
easeInOut:function (start,alter,curTime,dur) \{  
var progress =curTime/dur\*2;  
return (progress<1?Math.pow(progress,5):((progress-=2)\*Math.pow(progress,4) +2))\*alter/2+start;  
\}  
\},  
Sine :\{//正弦曲线缓动  
easeIn:function (start,alter,curTime,dur) \{  
return start-(Math.cos(curTime/dur\*Math.PI/2)-1)\*alter;  
\},  
easeOut:function (start,alter,curTime,dur) \{  
return start+Math.sin(curTime/dur\*Math.PI/2)\*alter;  
\},  
easeInOut:function (start,alter,curTime,dur) \{  
return start-(Math.cos(curTime/dur\*Math.PI/2)-1)\*alter/2;  
\}  
\},  
Expo: \{//指数曲线缓动  
easeIn:function (start,alter,curTime,dur) \{  
return curTime?(start+alter\*Math.pow(2,10\*(curTime/dur-1))):start;  
\},  
easeOut:function (start,alter,curTime,dur) \{  
return (curTime==dur)?(start+alter):(start-(Math.pow(2,-10\*curTime/dur)+1)\*alter);  
\},  
easeInOut:function (start,alter,curTime,dur) \{  
if (!curTime) \{return start;\}  
if (curTime==dur) \{return start+alter;\}  
var progress =curTime/dur\*2;  
if (progress < 1) \{  
return alter/2\*Math.pow(2,10\* (progress-1))+start;  
\} else \{  
return alter/2\* (-Math.pow(2, -10\*--progress) + 2) +start;  
\}  
\}  
\},  
Circ :\{//圆形曲线缓动  
easeIn:function (start,alter,curTime,dur) \{  
return start-alter\*Math.sqrt(-Math.pow(curTime/dur,2));  
\},  
easeOut:function (start,alter,curTime,dur) \{  
return start+alter\*Math.sqrt(1-Math.pow(curTime/dur-1));  
\},  
easeInOut:function (start,alter,curTime,dur) \{  
var progress =curTime/dur\*2;  
return (progress<1?1-Math.sqrt(1-Math.pow(progress,2)):(Math.sqrt(1 - Math.pow(progress-2,2)) + 1))\*alter/2+start;  
\}  
\},  
Elastic: \{//指数衰减的正弦曲线缓动  
easeIn:function (start,alter,curTime,dur,extent,cycle) \{  
if (!curTime) \{return start;\}  
if ((curTime==dur)==1) \{return start+alter;\}  
if (!cycle) \{cycle=dur\*0.3;\}  
var s;  
if (!extent || extent< Math.abs(alter)) \{  
extent=alter;  
s = cycle/4;  
\} else \{s=cycle/(Math.PI\*2)\*Math.asin(alter/extent);\}  
return start-extent\*Math.pow(2,10\*(curTime/dur-1)) \* Math.sin((curTime-dur-s)\*(2\*Math.PI)/cycle);  
\},  
easeOut:function (start,alter,curTime,dur,extent,cycle) \{  
if (!curTime) \{return start;\}  
if (curTime==dur) \{return start+alter;\}  
if (!cycle) \{cycle=dur\*0.3;\}  
var s;  
if (!extent || extent< Math.abs(alter)) \{  
extent=alter;  
s =cycle/4;  
\} else \{s=cycle/(Math.PI\*2)\*Math.asin(alter/extent);\}  
return start+alter+extent\*Math.pow(2,-curTime/dur\*10)\*Math.sin((curTime-s)\*(2\*Math.PI)/cycle);  
\},  
easeInOut:function (start,alter,curTime,dur,extent,cycle) \{  
if (!curTime) \{return start;\}  
if (curTime==dur) \{return start+alter;\}  
if (!cycle) \{cycle=dur\*0.45;\}  
var s;  
if (!extent || extent< Math.abs(alter)) \{  
extent=alter;  
s =cycle/4;  
\} else \{s=cycle/(Math.PI\*2)\*Math.asin(alter/extent);\}  
var progress = curTime/dur\*2;  
if (progress<1) \{  
return start-0.5\*extent\*Math.pow(2,10\*(progress-=1))\*Math.sin( (progress\*dur-s)\*(2\*Math.PI)/cycle);  
\} else \{  
return start+alter+0.5\*extent\*Math.pow(2,-10\*(progress-=1)) \* Math.sin( (progress\*dur-s)\*(2\*Math.PI)/cycle);  
\}  
\}  
\},  
Back:\{  
easeIn: function (start,alter,curTime,dur,s)\{  
if (typeof s == "undefined") \{s = 1.70158;\}  
return start+alter\*(curTime/=dur)\*curTime\*((s+1)\*curTime - s);  
\},  
easeOut: function (start,alter,curTime,dur,s) \{  
if (typeof s == "undefined") \{s = 1.70158;\}  
return start+alter\*((curTime=curTime/dur-1)\*curTime\*((s+1)\*curTime + s) + 1);  
\},  
easeInOut: function (start,alter,curTime,dur,s)\{  
if (typeof s == "undefined") \{s = 1.70158;\}  
if ((curTime/=dur/2) < 1) \{  
return start+alter/2\*(Math.pow(curTime,2)\*(((s\*=(1.525))+1)\*curTime- s));  
\}  
return start+alter/2\*((curTime-=2)\*curTime\*(((s\*=(1.525))+1)\*curTime+ s)+2);  
\}  
\},  
Bounce:\{  
easeIn: function(start,alter,curTime,dur)\{  
return start+alter-Tween.Bounce.easeOut(0,alter,dur-curTime,dur);  
\},  
easeOut: function(start,alter,curTime,dur)\{  
if ((curTime/=dur) < (1/2.75)) \{  
return alter\*(7.5625\*Math.pow(curTime,2))+start;  
\} else if (curTime < (2/2.75)) \{  
return alter\*(7.5625\*(curTime-=(1.5/2.75))\*curTime + .75)+start;  
\} else if (curTime< (2.5/2.75)) \{  
return alter\*(7.5625\*(curTime-=(2.25/2.75))\*curTime + .9375)+start;  
\} else \{  
return alter\*(7.5625\*(curTime-=(2.625/2.75))\*curTime + .984375)+start;  
\}  
\},  
easeInOut: function (start,alter,curTime,dur)\{  
if (curTime< dur/2) \{  
return Tween.Bounce.easeIn(0,alter,curTime\*2,dur) \*0.5+start;  
\} else \{  
return Tween.Bounce.easeOut(0,alter,curTime\*2-dur,dur) \*0.5 + alter\*0.5 +start;  
\}  
\}  
\}  
\};

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