```js var _w=window,_d=document; String.prototype.trim=function(){return this.replace(/(^\s+)|(\s+$)/g,'')}; HTMLElement.prototype.rcss=function(a,b){ if(a==''){ eval('var s = new RegExp(/\\b'+b+'\\b/)'); if(!s.test(this.className)){ this.className=this.className.trim()+' '+b; } }else{ eval('var s=this.className.replace(/\\b'+a+'\\b/g,b)'); this.className=s.trim(); } return this; } HTMLElement.prototype.del=function(){ this.parentNode.removeChild(this); } Array.prototype.each=HTMLCollection.prototype.each=NodeList.prototype.each=function(f){ for(var i=0,l=this.length;i<l;i++){ f(this[i],i,this); } return this; } HTMLCollection.prototype.rcss=NodeList.prototype.rcss=function(a,b){ this.each(function(t){t.rcss(a,b);}); return this; } NodeList.prototype.del=function(){ this.each(function(t){t.del();}); } HTMLElement.prototype.prev=function(){ return this.previousElementSibling||this.previousSibling; } HTMLElement.prototype.next=function(){ return this.nextElementSibling||this.nextSibling; } HTMLElement.prototype.weiz=function(){ var y=this.offsetTop,x=this.offsetLeft,e=this.offsetParent; while(e){ y+=e.offsetTop; x+=e.offsetLeft; e=e.offsetParent }; return{ 'y':y,'x':x } } A={ $:function(id){ return _d.getElementById(id); }, $$:function(a){ if(a.indexOf('<')==-1){ return _d.createElement(a); } else{ var _1=_d.createElement('div'); _1.innerHTML=a; return _1.children[0]; } }, r:function(n,m,f){ if(f){ return Math.random()*(m-n)+n }else{ return Math.round(Math.random()*(m-n)+n); } }, aj:function(url,data,f,gs){ var self=this; var k=url.replace(/[^\w]/g,''); if(typeof(self.ajone[k])=='undefined'){ self.ajone[k]=true; if(_w.XMLHttpRequest){ var xm=new XMLHttpRequest() } else{ var M=['MSXML2.XMLHTTP','Microsoft.XMLHTTP','MSXML2.XMLHTTP.5.0','MSXML2.XMLHTTP.4.0','MSXML2.XMLHTTP.3.0']; for(n=0;n<M.length;n++){ try{ var xm=new ActiveXObject(M[n]); break } catch(e){} } }; xm.open("post",url,true); xm.setRequestHeader("is_ajax","1"); xm.onreadystatechange=function(){ if(xm.readyState==4){ if(xm.status==200){ delete self.ajone[k]; if(f){ if(typeof(f)=='string')A.$(f).innerHTML=xm.responseText; else{ if(gs&&gs=='json'){ eval('var _j='+xm.responseText); eval(f(_j)) } else eval(f(xm.responseText)) } } } } }; xm.setRequestHeader("Content-Type","application/x-www-form-urlencoded;"); xm.send(data) } }, on:function(el,ev,fn){ if(el.attachEvent){ el.attachEvent("on"+ev,function(){ fn.apply(el,arguments) }) } else{ el.addEventListener(ev,fn,false) } }, fnr:function(f){ var s=[]; for(var i=0,l=f.length;i<l;i++){ if(f[i].name&&f[i].name!=''){ switch(f[i].tagName.toLowerCase()){ case'select':for(var a=0;a<f[i].length;a++){ if(f[i][a].selected){ s.push(f[i].name+'='+encodeURIComponent(f[i][a].value)) } }; break; default:switch(f[i].type.toLowerCase()){ case'radio':var fo=f[f[i].name]; for(var a=0;a<fo.length;a++){ if(fo[a].checked){ s.push(fo[a].name+'='+encodeURIComponent(fo[a].value)); break } }; i+=(fo.length-1); break; case'checkbox':if(f[i].checked){ s.push(f[i].name+'='+encodeURIComponent(f[i].value)) }; break; default:s.push(f[i].name+'='+encodeURIComponent(f[i].value)); break } } } }; return s.join('&') } }; ```