var snowStorm=null;function SnowStorm(){this.flakesMax=64;this.flakesMaxActive=32;this.animationInterval=30;this.flakeBottom=null;this.targetElement=null;this.followMouse=false;this.snowColor="#fff";this.snowCharacter="&bull;";this.snowStick=false;this.useMeltEffect=false;this.useTwinkleEffect=false;this.usePositionFixed=false;this.flakeLeftOffset=0;this.flakeRightOffset=0;this.flakeWidth=8;this.flakeHeight=8;this.vMaxX=5;this.vMaxY=4;this.zIndex=-1;var x=(typeof(window.attachEvent)=="undefined"?function(E,s,i){return E.addEventListener(s,i,false)}:function(E,s,i){return E.attachEvent("on"+s,i)});var A=(typeof(window.attachEvent)=="undefined"?function(E,s,i){return E.removeEventListener(s,i,false)}:function(E,s,i){return E.detachEvent("on"+s,i)});function l(s,i){if(isNaN(i)){i=0}return(Math.random()*s)+i}function y(i){return(parseInt(l(2),10)==1?i*-1:i)}var p=this;var f=this;this.timers=[];this.flakes=[];this.disabled=false;this.active=false;var u=navigator.userAgent.match(/msie/i);var t=navigator.userAgent.match(/msie 6/i);var m=(u&&(t||navigator.userAgent.match(/msie 5/i)));var q=navigator.appVersion.match(/windows 98/i);var n=navigator.userAgent.match(/iphone/i);var d=(u&&document.compatMode=="BackCompat");var o=((d||t||n)?true:false);var b=null;var v=null;var D=null;var w=null;var c=null;var a=null;var C=1;var j=2;var h=6;var k=false;var B=(function(){try{document.createElement("div").style.opacity="0.5"}catch(i){return false}return true})();var e=document.createDocumentFragment();if(p.flakeLeftOffset===null){p.flakeLeftOffset=0}if(p.flakeRightOffset===null){p.flakeRightOffset=0}this.meltFrameCount=20;this.meltFrames=[];for(var z=0;z<this.meltFrameCount;z++){this.meltFrames.push(1-(z/this.meltFrameCount))}this.randomizeWind=function(){c=y(l(p.vMaxX,0.2));a=l(p.vMaxY,0.2);if(this.flakes){for(var s=0;s<this.flakes.length;s++){if(this.flakes[s].active){this.flakes[s].setVelocities()}}}};this.scrollHandler=function(){w=(p.flakeBottom?0:parseInt(window.scrollY||document.documentElement.scrollTop||document.body.scrollTop,10));if(isNaN(w)){w=0}if(!k&&!p.flakeBottom&&p.flakes){for(var s=p.flakes.length;s--;){if(p.flakes[s].active===0){p.flakes[s].stick()}}}};this.resizeHandler=function(){if(window.innerWidth||window.innerHeight){b=window.innerWidth-(!u?16:2)-p.flakeRightOffset;D=(p.flakeBottom?p.flakeBottom:window.innerHeight)}else{b=(document.documentElement.clientWidth||document.body.clientWidth||document.body.scrollWidth)-(!u?8:0)-p.flakeRightOffset;D=p.flakeBottom?p.flakeBottom:(document.documentElement.clientHeight||document.body.clientHeight||document.body.scrollHeight)}v=parseInt(b/2,10)};this.resizeHandlerAlt=function(){b=p.targetElement.offsetLeft+p.targetElement.offsetWidth-p.flakeRightOffset;D=p.flakeBottom?p.flakeBottom:p.targetElement.offsetTop+p.targetElement.offsetHeight;v=parseInt(b/2,10)};this.freeze=function(){if(!p.disabled){p.disabled=1}else{return false}for(var s=p.timers.length;s--;){clearInterval(p.timers[s])}};this.resume=function(){if(p.disabled){p.disabled=0}else{return false}p.timerInit()};this.toggleSnow=function(){if(!p.flakes.length){p.start()}else{p.active=!p.active;if(p.active){p.show();p.resume()}else{p.stop();p.freeze()}}};this.stop=function(){this.freeze();for(var s=this.flakes.length;s--;){this.flakes[s].o.style.display="none"}A(window,"scroll",p.scrollHandler);A(window,"resize",p.resizeHandler);if(!m){A(window,"blur",p.freeze);A(window,"focus",p.resume)}};this.show=function(){for(var s=this.flakes.length;s--;){this.flakes[s].o.style.display="block"}};this.SnowFlake=function(H,G,i,I){var F=this;var E=H;this.type=G;this.x=i||parseInt(l(b-20),10);this.y=(!isNaN(I)?I:-l(D)-12);this.vX=null;this.vY=null;this.vAmpTypes=[1,1.2,1.4,1.6,1.8];this.vAmp=this.vAmpTypes[this.type];this.melting=false;this.meltFrameCount=E.meltFrameCount;this.meltFrames=E.meltFrames;this.meltFrame=0;this.twinkleFrame=0;this.active=1;this.fontSize=(10+(this.type/5)*10);this.o=document.createElement("div");this.o.innerHTML=E.snowCharacter;this.o.style.color=E.snowColor;this.o.style.position=(k?"fixed":"absolute");this.o.style.width=E.flakeWidth+"px";this.o.style.height=E.flakeHeight+"px";this.o.style.fontFamily="arial,verdana";this.o.style.overflow="hidden";this.o.style.fontWeight="normal";this.o.style.zIndex=E.zIndex;e.appendChild(this.o);this.refresh=function(){if(isNaN(F.x)||isNaN(F.y)){return false}F.o.style.left=F.x+"px";F.o.style.top=F.y+"px"};this.stick=function(){if(o||(E.targetElement!=document.documentElement&&E.targetElement!=document.body)){F.o.style.top=(D+w-E.flakeHeight)+"px"}else{if(E.flakeBottom){F.o.style.top=E.flakeBottom+"px"}else{F.o.style.display="none";F.o.style.top="auto";F.o.style.bottom="0px";F.o.style.position="fixed";F.o.style.display="block"}}};this.vCheck=function(){if(F.vX>=0&&F.vX<0.2){F.vX=0.2}else{if(F.vX<0&&F.vX>-0.2){F.vX=-0.2}}if(F.vY>=0&&F.vY<0.2){F.vY=0.2}};this.move=function(){var s=F.vX*C;F.x+=s;F.y+=(F.vY*F.vAmp);if(F.x>=b||b-F.x<E.flakeWidth){F.x=0}else{if(s<0&&F.x-E.flakeLeftOffset<0-E.flakeWidth){F.x=b-E.flakeWidth-1}}F.refresh();var J=D+w-F.y;if(J<E.flakeHeight){F.active=0;if(E.snowStick){F.stick()}else{F.recycle()}}else{if(E.useMeltEffect&&F.active&&F.type<3&&!F.melting&&Math.random()>0.998){F.melting=true;F.melt()}if(E.useTwinkleEffect){if(!F.twinkleFrame){if(Math.random()>0.9){F.twinkleFrame=parseInt(Math.random()*20,10)}}else{F.twinkleFrame--;F.o.style.visibility=(F.twinkleFrame&&F.twinkleFrame%2===0?"hidden":"visible")}}}};this.animate=function(){F.move()};this.setVelocities=function(){F.vX=c+l(E.vMaxX*0.12,0.1);F.vY=a+l(E.vMaxY*0.12,0.1)};this.setOpacity=function(J,s){if(!B){return false}J.style.opacity=s};this.melt=function(){if(!E.useMeltEffect||!F.melting){F.recycle()}else{if(F.meltFrame<F.meltFrameCount){F.meltFrame++;F.setOpacity(F.o,F.meltFrames[F.meltFrame]);F.o.style.fontSize=F.fontSize-(F.fontSize*(F.meltFrame/F.meltFrameCount))+"px";F.o.style.lineHeight=E.flakeHeight+2+(E.flakeHeight*0.75*(F.meltFrame/F.meltFrameCount))+"px"}else{F.recycle()}}};this.recycle=function(){F.o.style.display="none";F.o.style.position=(k?"fixed":"absolute");F.o.style.bottom="auto";F.setVelocities();F.vCheck();F.meltFrame=0;F.melting=false;F.setOpacity(F.o,1);F.o.style.padding="0px";F.o.style.margin="0px";F.o.style.fontSize=F.fontSize+"px";F.o.style.lineHeight=(E.flakeHeight+2)+"px";F.o.style.textAlign="center";F.o.style.verticalAlign="baseline";F.x=parseInt(l(b-E.flakeWidth-20),10);F.y=parseInt(l(D)*-1,10)-E.flakeHeight;F.refresh();F.o.style.display="block";F.active=1};this.recycle();this.refresh()};this.snow=function(){var G=0;var F=0;var H=0;var s=null;for(var E=p.flakes.length;E--;){if(p.flakes[E].active==1){p.flakes[E].move();G++}else{if(p.flakes[E].active===0){F++}else{H++}}if(p.flakes[E].melting){p.flakes[E].melt()}}if(G<p.flakesMaxActive){s=p.flakes[parseInt(l(p.flakes.length),10)];if(s.active===0){s.melting=true}}};this.mouseMove=function(s){if(!p.followMouse){return true}var i=parseInt(s.clientX,10);if(i<v){C=-j+(i/v*j)}else{i-=v;C=(i/v)*j}};this.createSnow=function(s,F){for(var E=0;E<s;E++){p.flakes[p.flakes.length]=new p.SnowFlake(p,parseInt(l(h),10));if(F||E>p.flakesMaxActive){p.flakes[p.flakes.length-1].active=-1}}f.targetElement.appendChild(e)};this.timerInit=function(){p.timers=(!q?[setInterval(p.snow,p.animationInterval)]:[setInterval(p.snow,p.animationInterval*3),setInterval(p.snow,p.animationInterval)])};this.init=function(){p.randomizeWind();p.createSnow(p.flakesMax);x(window,"resize",p.resizeHandler);x(window,"scroll",p.scrollHandler);if(!m){x(window,"blur",p.freeze);x(window,"focus",p.resume)}p.resizeHandler();p.scrollHandler();if(p.followMouse){x(document,"mousemove",p.mouseMove)}p.animationInterval=Math.max(20,p.animationInterval);p.timerInit()};var r=false;this.start=function(s){if(!r){r=true}else{if(s){return true}}if(typeof p.targetElement=="string"){var i=p.targetElement;p.targetElement=document.getElementById(i);if(!p.targetElement){throw new Error('Snowstorm: Unable to get targetElement "'+i+'"')}}if(!p.targetElement){p.targetElement=(!u?(document.documentElement?document.documentElement:document.body):document.body)}if(p.targetElement!=document.documentElement&&p.targetElement!=document.body){p.resizeHandler=p.resizeHandlerAlt}p.resizeHandler();p.usePositionFixed=(p.usePositionFixed&&!o);k=p.usePositionFixed;if(b&&D&&!p.disabled){p.init();p.active=true}};function g(){p.start(true)}if(document.addEventListener){document.addEventListener("DOMContentLoaded",g,false);window.addEventListener("load",g,false)}else{x(window,"load",g)}}snowStorm=new SnowStorm();