function BrowserDetect(){var a=navigator.userAgent.toLowerCase(),b=navigator.appName,c=null;return"Microsoft Internet Explorer"===b||a.indexOf("trident")>-1||a.indexOf("edge/")>-1?(c="ie","Microsoft Internet Explorer"===b?(a=/msie ([0-9]{1,}[\.0-9]{0,})/.exec(a),c+=parseInt(a[1])):a.indexOf("trident")>-1?c+=11:a.indexOf("edge/")>-1&&(c="edge")):a.indexOf("safari")>-1?c=a.indexOf("chrome")>-1?"chrome":"safari":a.indexOf("firefox")>-1&&(c="firefox"),c}function CommonAudioUtil(){var a=[1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384],b=function(a,b,c){var d=0,e=0;for(d=0;c>d&&!(a<b[e]);d++)e++;return d},c=function(c,d){var e=0,f=0,g=0,h=0,i=0,j=0;return e=c>0?c:8191&-c,f=b(e,a,15)-6,g=0===e?32:f>=0?e>>f:e<<-f,h=f+(d>>6&15)-13,i=g*(d&parseInt("077",8))+48>>4,j=h>=0?i<<h&32767:i>>-h,0>(c^d)?-j:j};this.g726InitState=function(){var a={},b=0;for(a.pp=new Array(2),a.zp=new Array(6),a.pk=new Array(2),a.dq=new Array(6),a.sr=new Array(2),a.yl=34816,a.yu=544,a.dms=0,a.dml=0,a.ppp=0,b=0;2>b;b++)a.pp[b]=0,a.pk[b]=0,a.sr[b]=32;for(b=0;6>b;b++)a.zp[b]=0,a.dq[b]=32;return a.td=0,a},this.predictorZero=function(a){var b=0,d=0;for(d=c(a.zp[0]>>2,a.dq[0]),b=1;6>b;b++)d+=c(a.zp[b]>>2,a.dq[b]);return d},this.predictorPole=function(a){return c(a.pp[1]>>2,a.sr[1])+c(a.pp[0]>>2,a.sr[0])},this.stepSize=function(a){var b=0,c=0,d=0;return a.ppp>=256?a.yu:(b=a.yl>>6,c=a.yu-b,d=a.ppp>>2,c>0?b+=c*d>>6:0>c&&(b+=c*d+63>>6),b)},this.quantize=function(c,d,e,f){var g=0,h=0,i=0,j=0,k=0,l=0;return g=Math.abs(c),h=b(g>>1,a,15),i=g<<7>>h&127,j=(h<<7)+i,k=j-(d>>2),l=b(k,e,f),0>c?(f<<1)+1-l:0===l?(f<<1)+1:l},this.reconstruct=function(a,b,c){var d=0,e=0,f=0,g=0;return d=b+(c>>2),0>d?a?-32768:0:(e=d>>7&15,f=128+(127&d),g=f<<7>>14-e,a?g-32768:g)},this.update=function(c,d,e,f,g,h,i,j){var k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0;if(x=0>i?1:0,l=32767&g,s=j.yl>>15,v=j.yl>>10&31,w=32+v<<s,t=s>9?31744:w,u=t+(t>>1)>>1,r=0===j.td?0:u>=l?0:1,j.yu=d+(e-d>>5),j.yu<544?j.yu=544:j.yu>5120&&(j.yu=5120),j.yl+=j.yu+(-j.yl>>6),1===r)j.pp[0]=0,j.pp[1]=0,j.zp[0]=0,j.zp[1]=0,j.zp[2]=0,j.zp[3]=0,j.zp[4]=0,j.zp[5]=0,n=0;else for(p=x^j.pk[0],n=j.pp[1]-(j.pp[1]>>7),0!==i&&(q=p?j.pp[0]:-j.pp[0],-8191>q?n-=256:n+=q>8191?255:q>>5,x^j.pk[1]?-12160>=n?n=-12288:n>=12416?n=12288:n-=128:-12416>=n?n=-12288:n>=12160?n=12288:n+=128),j.pp[1]=n,j.pp[0]-=j.pp[0]>>8,0!==i&&(0===p?j.pp[0]+=192:j.pp[0]-=192),o=15360-n,j.pp[0]<-o?j.pp[0]=-o:j.pp[0]>o&&(j.pp[0]=o),k=0;6>k;k++)j.zp[k]-=5===c?j.zp[k]>>9:j.zp[k]>>8,32767&g&&((g^j.dq[k])>=0?j.zp[k]+=128:j.zp[k]-=128);for(k=5;k>0;k--)j.dq[k]=j.dq[k-1];return 0===l?j.dq[0]=g>=0?32:64544:(m=b(l,a,15),j.dq[0]=g>=0?(m<<6)+(l<<6>>m):(m<<6)+(l<<6>>m)-1024),j.sr[1]=j.sr[0],0===h?j.sr[0]=32:h>0?(m=b(h,a,15),j.sr[0]=(m<<6)+(h<<6>>m)):h>-32768?(l=-h,m=b(l,a,15),j.sr[0]=(m<<6)+(l<<6>>m)-1024):j.sr[0]=64544,j.pk[1]=j.pk[0],j.pk[0]=x,j.td=1===r?0:-11776>n?1:0,j.dms+=f-j.dms>>5,j.dml+=(f<<2)-j.dml>>7,1===r?j.ppp=256:j.ppp+=1536>d?512-j.ppp>>4:1===j.td?512-j.ppp>>4:Math.abs((j.dms<<2)-j.dml)>=j.dml>>3?512-j.ppp>>4:-j.ppp>>4,j}}var isDebug=!1,debug=function(a){return a?{log:function(a){console.log(a)},error:function(a){console.error(a)},count:function(a){console.count(a)},info:function(a){console.info(a)},trace:function(a){console.trace(a)}}:{log:function(){},error:function(){},count:function(){},info:function(){}}}(isDebug),Script=function(){function a(){}return a.createFromElementId=function(b){for(var c=document.getElementById(b),d="",e=c.firstChild;e;)3===e.nodeType&&(d+=e.textContent),e=e.nextSibling;var f=new a;return f.type=c.type,f.source=d,f},a.createFromSource=function(b,c){var d=new a;return d.type=b,d.source=c,d},a}(),Shader=function(){function a(a,b){if("x-shader/x-fragment"===b.type)this.shader=a.createShader(a.FRAGMENT_SHADER);else{if("x-shader/x-vertex"!==b.type)return void error("Unknown shader type: "+b.type);this.shader=a.createShader(a.VERTEX_SHADER)}return a.shaderSource(this.shader,b.source),a.compileShader(this.shader),a.getShaderParameter(this.shader,a.COMPILE_STATUS)?void 0:void error("An error occurred compiling the shaders: "+a.getShaderInfoLog(this.shader))}return a}(),Program=function(){function a(a){this.gl=a,this.program=this.gl.createProgram()}return a.prototype={attach:function(a){this.gl.attachShader(this.program,a.shader)},link:function(){this.gl.linkProgram(this.program)},use:function(){this.gl.useProgram(this.program)},getAttributeLocation:function(a){return this.gl.getAttribLocation(this.program,a)},setMatrixUniform:function(a,b){var c=this.gl.getUniformLocation(this.program,a);this.gl.uniformMatrix4fv(c,!1,b)}},a}(),Texture=function(){function a(a,b,c){this.gl=a,this.size=b,this.texture=a.createTexture(),a.bindTexture(a.TEXTURE_2D,this.texture),this.format=c?c:a.LUMINANCE,a.texImage2D(a.TEXTURE_2D,0,this.format,b.w,b.h,0,this.format,a.UNSIGNED_BYTE,null),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.NEAREST),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.NEAREST),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE)}var b=null;return a.prototype={fill:function(a,b){var c=this.gl;c.bindTexture(c.TEXTURE_2D,this.texture),b?c.texSubImage2D(c.TEXTURE_2D,0,0,0,this.size.w,this.size.h,this.format,c.UNSIGNED_BYTE,a):c.texImage2D(c.TEXTURE_2D,0,this.format,this.size.w,this.size.h,0,this.format,c.UNSIGNED_BYTE,a)},bind:function(a,c,d){var e=this.gl;b||(b=[e.TEXTURE0,e.TEXTURE1,e.TEXTURE2]),e.activeTexture(b[a]),e.bindTexture(e.TEXTURE_2D,this.texture),e.uniform1i(e.getUniformLocation(c.program,d),a)}},a}(),base64ArrayBuffer=function(a){for(var b="",c="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",d=new Uint8Array(a),e=d.byteLength,f=e%3,g=e-f,h=0,i=0,j=0,k=0,l=0,m=0;g>m;m+=3)l=d[m]<<16|d[m+1]<<8|d[m+2],h=(16515072&l)>>18,i=(258048&l)>>12,j=(4032&l)>>6,k=63&l,b+=c[h]+c[i]+c[j]+c[k];return 1===f?(l=d[g],h=(252&l)>>2,i=(3&l)<<4,b+=c[h]+c[i]+"=="):2===f&&(l=d[g]<<8|d[g+1],h=(64512&l)>>10,i=(1008&l)>>4,j=(15&l)<<2,b+=c[h]+c[i]+c[j]+"="),b};