(function(){var a=function(e){var d={str:["a","b","c","d","e","f","g","h","i","j","k","l","m","o","p","q","r","s","t","x","u","v","y","z","w","n","0","1","2","3","4","5","6","7","8","9"],randint:function(f,g){var i=g-f+1;var h=math.random()*i+f;return math.floor(h)},randstr:function(){var f=this;var h=f.str.length-1;var g=f.randint(0,h);return f.str[g]},create:function(j){var f=this;var i=j||10;var h="";for(var g=0;g<i;g++){h+=f.randstr()}return h}};e=e?e:10;return d.create(e)};var b=function(d,e){var g=e-d+1;var f=math.random()*g+d;return math.floor(f)};var c=function(d,e){this.codedoms=[];this.linedoms=[];this.initoptions(e);this.dom=d;this.init();this.addevent();this.update();this.mask()};c.prototype.init=function(){this.dom.style.position="relative";this.dom.style.overflow="hidden";this.dom.style.cursor="pointer";this.dom.title="点击更换验证码";this.dom.style.background=this.options.bgcolor;this.w=this.dom.clientwidth;this.h=this.dom.clientheight;this.uw=this.w/this.options.len};c.prototype.mask=function(){var d=document.createelement("div");d.style.csstext=["width: 100%","height: 100%","left: 0","top: 0","position: absolute","cursor: pointer","z-index: 9999999"].join(";");d.title="点击更换验证码";this.dom.appendchild(d)};c.prototype.addevent=function(){var d=this;d.dom.addeventlistener("click",function(){d.update.call(d)})};c.prototype.initoptions=function(d){var e=function(){this.len=4;this.fontsizemin=20;this.fontsizemax=48;this.colors=["green","red","blue","#53da33","#aa0000","#ffbb00"];this.bgcolor="#fff";this.fonts=["times new roman","georgia","serif","sans-serif","arial","tahoma","hiragino sans gb"];this.lines=8;this.linecolors=["#888888","#ff7744","#888800","#008888"];this.lineheightmin=1;this.lineheightmax=3;this.linewidthmin=1;this.linewidthmax=60};this.options=new e();if(typeof d==="object"){for(i in d){this.options[i]=d[i]}}};c.prototype.update=function(){for(var d=0;d<this.codedoms.length;d++){this.dom.removechild(this.codedoms[d])}for(var d=0;d<this.linedoms.length;d++){this.dom.removechild(this.linedoms[d])}this.createcode();this.draw()};c.prototype.createcode=function(){this.code=a(this.options.len)};c.prototype.verify=function(d){return this.code===d};c.prototype.draw=function(){this.codedoms=[];for(var d=0;d<this.code.length;d++){this.codedoms.push(this.drawcode(this.code[d],d))}this.drawlines()};c.prototype.drawcode=function(e,f){var d=document.createelement("span");d.style.csstext=["font-size:"+b(this.options.fontsizemin,this.options.fontsizemax)+"px","color:"+this.options.colors[b(0,this.options.colors.length-1)],"position: absolute","left:"+b(this.uw*f,this.uw*f+this.uw-20)+"px","top:"+b(0,this.h-72)+"px","transform:rotate("+b(-30,30)+"deg)","-ms-transform:rotate("+b(-30,30)+"deg)","-moz-transform:rotate("+b(-30,30)+"deg)","-webkit-transform:rotate("+b(-30,30)+"deg)","-o-transform:rotate("+b(-30,30)+"deg)","font-family:"+this.options.fonts[b(0,this.options.fonts.length-1)],"font-weight:"+b(400,900)].join(";");d.innerhtml=e;this.dom.appendchild(d);return d};c.prototype.drawlines=function(){this.linedoms=[];for(var e=0;e<this.options.lines;e++){var d=document.createelement("div");d.style.csstext=["position: absolute","opacity: "+b(3,8)/10,"width:"+b(this.options.linewidthmin,this.options.linewidthmax)+"px","height:"+b(this.options.lineheightmin,this.options.lineheightmax)+"px","background: "+this.options.linecolors[b(0,this.options.linecolors.length-1)],"left:"+b(0,this.w-20)+"px","top:"+b(0,this.h)+"px","transform:rotate("+b(-30,30)+"deg)","-ms-transform:rotate("+b(-30,30)+"deg)","-moz-transform:rotate("+b(-30,30)+"deg)","-webkit-transform:rotate("+b(-30,30)+"deg)","-o-transform:rotate("+b(-30,30)+"deg)","font-family:"+this.options.fonts[b(0,this.options.fonts.length-1)],"font-weight:"+b(400,900)].join(";");this.dom.appendchild(d);this.linedoms.push(d)}};this.vcode=c}).call(this);