function ZQuery(arg){ this.elements = [];  //存东西 this.domString = '';  //保存字符串标签 if(typeof arg=='function'){ //DOMReady DOMReady(arg); }else if(typeof arg=='string'||arg instanceof String){ if(arg.indexOf('<')!=-1){  this.domString = arg; }else{  //获取元素  this.elements = getEle(arg);  this.length = this.elements.length; } }else{ //原生对象-》ZQuery对象 this.elements.push(arg); this.length = this.elements.length; }}ZQuery.prototype.css = function(name,value){ if(arguments.length==2){  //设置一个样式  for(var i=0;i<this.elements.length;i++){  this.elements[i].style[name] = value;  } }else{  if(typeof name=='string'){  //获取样式  return getStyle(this.elements[0],name);  }else{  //批量设置样式  var json = name;  for(var name in json){   for(var i=0;i<this.elements.length;i++){   this.elements[i].style[name] = json[name];   }  }  } }};ZQuery.prototype.attr = function(name,value){ if(arguments.length==2){  //设置一个属性  for(var i=0;i<this.elements.length;i++){  this.elements[i].setAttribute(name,value);  } }else{  if(typeof name=='string'){  //获取属性  return this.elements[0].getAttribute(name);  }else{  //批量设置属性  var json = name;  for(var name in json){   for(var i=0;i<this.elements.length;i++){   this.elements[i].setAttribute(name,json[name]);   }  }  } }};ZQuery.prototype.addClass = function(sClass){ var re = new RegExp('//b'+sClass+'//b','g'); for(var i=0;i<this.elements.length;i++){ if(this.elements[i].className){  if(this.elements[i].className.search(re)==-1){  this.elements[i].className += ' '+sClass;  } }else{  this.elements[i].className = sClass; } this.elements[i].className = this.elements[i].className.replace(/^/s+|/s+$/g,'').replace(//s+/g,' '); } return this;};ZQuery.prototype.removeClass = function(sClass){ var re = new RegExp('//b'+sClass+'//b','g'); for(var i=0;i<this.elements.length;i++){ if(this.elements[i].className){  this.elements[i].className = this.elements[i].className.replace(re,'');  this.elements[i].className = this.elements[i].className.replace(/^/s+|/s+$/g,'').replace(//s+/g,' ');  if(this.elements[i].className==''){  this.elements[i].removeAttribute('class');  } } } return this;};ZQuery.prototype.html = function(value){ if(value||value==''){ //设置 for(var i=0;i<this.elements.length;i++){  this.elements[i].innerHTML = value; }  }else{ return this.elements[0].innerHTML; }};ZQuery.prototype.val = function(value){ if(value||value==''){ //设置 for(var i=0;i<this.elements.length;i++){  this.elements[i].value = value; }  }else{ return this.elements[0].value; }};ZQuery.prototype.show = function(){ for(var i=0;i<this.elements.length;i++){ this.elements[i].style.display = 'block'; } return this;};ZQuery.prototype.hide = function(){ for(var i=0;i<this.elements.length;i++){ this.elements[i].style.display = 'none'; } return this;};;'click mouseover mouseout mousedown mouseup mousemove mouseenter mouseleave change keydown keyup contextmenu'.replace(//w+/g,function(str){ ZQuery.prototype[str] = function(fn){ for(var i=0;i<this.elements.length;i++){  addEvent(this.elements[i],str,fn); } };});ZQuery.prototype.get = function(n){ for(var i=0;i<this.elements.length;i++){ if(i==n){  return this.elements[i]; } }};ZQuery.prototype.eq = function(n){ for(var i=0;i<this.elements.length;i++){ if(i==n){  return $(this.elements[i]); } }};ZQuery.prototype.index = function(){ var aSiblings = this.elements[0].parentNode.children; for(var i=0;i<aSiblings.length;i++){ if(aSiblings[i]==this.elements[0]){  return i; } }};ZQuery.prototype.hover = function(fn1,fn2){ for(var i=0;i<this.elements.length;i++){ $(this.elements[i]).mouseenter(fn1); $(this.elements[i]).mouseleave(fn2); }};ZQuery.prototype.toggle = function(){ var args = arguments; var _this = this; for(var i=0;i<this.elements.length;i++){ ;(function(count){  $(_this.elements[i]).click(function(ev){  args[count%args.length].call(this,ev);  count++;  }); })(0); }};ZQuery.prototype.animate = function(json,options){ for(var i=0;i<this.elements.length;i++){ move(this.elements[i],json,options); }};ZQuery.prototype.appendTo = function(arg){ var aParent = $(arg); for(var i=0;i<aParent.length;i++){ aParent.get(i).insertAdjacentHTML('beforeEnd',this.domString); } return this;};ZQuery.prototype.prependTo = function(arg){ var aParent = $(arg); for(var i=0;i<aParent.length;i++){ aParent.get(i).insertAdjacentHTML('afterBegin',this.domString); } return this;};ZQuery.prototype.insertAfter = function(arg){ var aParent = $(arg); for(var i=0;i<aParent.length;i++){ aParent.get(i).insertAdjacentHTML('afterEnd',this.domString); } return this;};ZQuery.prototype.insertBefore = function(arg){ var aParent = $(arg); for(var i=0;i<aParent.length;i++){ aParent.get(i).insertAdjacentHTML('beforeBegin',this.domString); } return this;};ZQuery.prototype.remove = function(){ var oParent = this.elements[0].parentNode; for(var i=0;i<this.elements.length;i++){ oParent.removeChild(this.elements[i]); } return this;};function $(arg){ return new ZQuery(arg);};$.ajax = function(json){ ajax(json);};$.jsonp = function(json){ jsonp(json);};$.fn = ZQuery.prototype;$.fn.extend = function(json){ for(var name in json){ ZQuery.prototype[name] = json[name]; }};function json2url(json){ var arr = []; for(var name in json){ arr.push(name+'='+encodeURIComponent(json[name])); } return arr.join('&');}function ajax(json){ json = json||{}; if(!json.url)return; json.type = json.type||'get'; json.timeout = json.timeout||15000; json.data = json.data||{}; json.data.t = Math.random(); if(window.XMLHttpRequest){ var oAjax = new XMLHttpRequest(); }else{ var oAjax = new ActiveXObject('Microsoft.XMLHTTP'); } switch(json.type.toLowerCase()){ case 'get':  oAjax.open('GET',json.url+'?'+json2url(json.data),true);  oAjax.send();  break; case 'post':  oAjax.open('POST',json.url,true);  oAjax.setRequestHeader('Content-Type','application/x-www-form-urlencoded');  oAjax.send(json2url(json.data));  break; default:  oAjax.open('GET',json.url+'?'+json2url(json.data),true);  oAjax.send();  break; } json.loading&&json.loading(); json.timer = setTimeout(function(){ oAjax.onreadystatechange = null; json.error&&json.error('网络超时。'); },json.timeout); oAjax.onreadystatechange = function(){ if(oAjax.readyState==4){  clearTimeout(json.timer);  if(oAjax.status>=200&&oAjax.status<300||oAjax.status==304){  json.success&&json.success(oAjax.responseText);  }else{  json.error&&json.error(oAjax.status);  } } };}function jsonp(json){ json = json||{}; if(!json.url)return; json.timeout = json.timeout||15000; json.cbName = json.cbName||'cb'; json.data = json.data||{}; json.data[json.cbName] = 'show'+Math.random(); json.data[json.cbName] = json.data[json.cbName].replace('.',''); json.timer = setTimeout(function(){ window[json.data[json.cbName]] = function(res){  oHead.removeChild(oS);  json.error&&json.error('网络超时!'); } },json.timeout); window[json.data[json.cbName]] = function(res){ clearTimeout(json.timer); oHead.removeChild(oS); json.success&&json.success(res); } var oHead = document.getElementsByTagName('head')[0]; var oS = document.createElement('script'); oS.src = json.url+'?'+json2url(json.data); oHead.appendChild(oS);}function getStyle(obj,sName){ return (obj.currentStyle||getComputedStyle(obj,false))[sName];}function addEvent(obj,sEv,fn){ if(obj.addEventListener){ obj.addEventListener(sEv,function(ev){  var oEvent = ev||event;  if(fn.call(obj,oEvent)==false){  oEvent.cancelBubble = true;  oEvent.preventDefault&&oEvent.preventDefault();  } },false); }else{ obj.attachEvent('on'+sEv,function(){  var oEvent = ev||event;  if(fn.call(obj,oEvent)==false){  oEvent.cancelBubble = true;  return false;  } }); }}function DOMReady(fn){ if(document.addEventListener){ addEvent(document,'DOMContentLoaded',function(){  fn&&fn(); }); }else{ addEvent(document,'onreadystatechange',function(){  if(document.readyState=='complete'){  fn&&fn();  } }); }}function getByClass(oParent,sClass){ if(oParent.getElementsByClassName){ return oParent.getElementsByClassName(sClass); }else{ var aResult = []; var aEle = oParent.getElementsByTagName('*'); var re = new RegExp('//b'+sClass+'//b','g'); for(var i=0;i<aEle.length;i++){  if(aEle[i].className.search(re)!=-1){  aResult.push(aEle[i]);  } } return aResult; }}function getByStr(aParent,str){ var aChild = []; //遍历父级 for(var i=0;i<aParent.length;i++){ switch(str.charAt(0)){  case '#':  //#id  aChild.push(document.getElementById(str.substring(1)));  break;  case '.':  //.class  var aEle = getByClass(aParent[i],str.substring(1));  for(var j=0;j<aEle.length;j++){   aChild.push(aEle[j]);  }  break;  default:  if(/^/w+/./w+$/.test(str)){   //筛选   //li.on   var arr = str.split('.');   var re = new RegExp('//b'+arr[1]+'//b','g');   var aEle = aParent[i].getElementsByTagName(arr[0]);   for(var j=0;j<aEle.length;j++){   if(aEle[j].className.search(re)!=-1){    aChild.push(aEle[j]);   }   }  }else if(/^/w+/[/w+/=/w+/]$/.test(str)){   //属性   var arr = str.split(//[|/=|/]/);   var aEle = aParent[i].getElementsByTagName(arr[0]);   for(var j=0;j<aEle.length;j++){   if(aEle[j].getAttribute(arr[1]) == arr[2]){    aChild.push(aEle[j]);   }   }  }else if(/^/w+/:/w+(/(/d+/))?$/.test(str)){   var arr = str.split(//:|/(|/)/);   var aEle = aParent[i].getElementsByTagName(arr[0]);   switch(arr[1]){   case 'first':    aChild.push(aEle[0]);    break;   case 'last':    aChild.push(aEle[aEle.length-1]);    break;   case 'even':    for(var j=0;j<aEle.length;j+=2){    aChild.push(aEle[j]);    }    break;   case 'odd':    for(var j=1;j<aEle.length;j+=2){    aChild.push(aEle[j]);    }    break;   case 'eq':    aChild.push(aEle[arr[2]]);    break;   case 'lt':    for(var j=0;j<arr[2];j++){    aChild.push(aEle[j]);    }    break;   case 'gt':    for(var j=parseInt(arr[2])+1;j<aEle.length;j++){    aChild.push(aEle[j]);    }    break;   }  }else{   //标签   var aEle = aParent[i].getElementsByTagName(str);   for(var j=0;j<aEle.length;j++){   aChild.push(aEle[j]);   }  }  break; } } return aChild;}function getEle(str){ var arr = str.replace(/^/s+|/s+$/g,'').split(//s+/); var aParent = [document]; var aChild = []; for(var i=0;i<arr.length;i++){ aChild = getByStr(aParent,arr[i]); //这一次获取到的子级，是下一次获取的父级 aParent = aChild; } return aChild;}function move(obj,json,options){ clearInterval(obj.timer);  options=options || {}; options.easing=options.easing|| 'ease-out'; options.duration=options.duration || 800; var count=Math.floor(options.duration/30); var start={}; var dis={}; for(var name in json){ start[name]=parseFloat(getStyle(obj,name)); dis[name]=json[name]-start[name]; } var n=0; obj.timer=setInterval(function(){ n++; for(var name in json){  switch(options.easing){  case 'linear':   var a=n/count;   var cur=start[name]+dis[name]*a;   break;  case 'ease-in':   var a=n/count;   var cur=start[name]+dis[name]*a*a*a;   break;  case 'ease-out':   var a=1-n/count;   var cur=start[name]+dis[name]*(1-a*a*a);   break;  }  if(name=='opacity'){  obj.style.opacity=cur;  obj.style.filter='alpha(opacity:'+cur*100+')';   }else{  obj.style[name]=cur+'px';  } } if(n==count){  clearInterval(obj.timer);  options.complete && options.complete();  } },30);}