// Christmas Light Smashfest
// Adapted from XLSF 2007 as originally used on http://schillmania.com/?theme=2007&christmas=1


function initChristmasLights() {

  YUI().use('anim', function(Y) {

    function XLSF(oTarget) {
      var writeDebug = soundManager._wD;
      writeDebug('XLSF()');
      var IS_MOON_COMPUTER = false;
      var isIE = navigator.userAgent.match(/msie/i);
      var isTouchDevice = navigator.userAgent.match(/ipad|ipod|iphone/i);
      var self = this;
      var xlsf = self;
      var useAngle = window.location.href.match(/angle/i);
      var useFollow = window.location.toString().match(/follow/i);
      var classBase = 'xlsf-light' + (useAngle ? ' xlsf-angled' : '');
      var animDuration = 1;
      var lastMouseX = 0;
      var lastMouseY = 0;
      var mmhTimer = null;
      var activeLights = [];
      var testDiv = document.createElement('div');
      var offset = 0;
      var transforms = {
        ie: (typeof testDiv.style['-ms-transform'] !== 'undefined' ? '-ms-transform' : null),
        moz: (typeof testDiv.style.MozTransform !== 'undefined' ? 'MozTransform' : null),
        opera: (typeof testDiv.style['OTransform'] !== 'undefined' ? 'OTransform' : null),
        webkit: (typeof testDiv.style.webkitTransform !== 'undefined' ? 'webkitTransform' : null),
        prop: null
      }
      transforms.prop = (transforms.moz || transforms.webkit || transforms.ie || transforms.opera);
      this.oFrag = document.createDocumentFragment();
      this.oExplosionTarget = document.getElementById('explosion-box');
      if (!this.oExplosionTarget) {
        this.oExplosionTarget = document.createElement('div');
        this.oExplosionTarget.id = 'explosion-box';
        document.body.appendChild(this.oExplosionTarget);
      }
      this.oTarget = (oTarget ? oTarget : document.documentElement);
      this.oExplosionBox = document.createElement('div');
      this.oExplosionBox.className = 'xlsf-fragment-box';
      this.oExplosionFrag = document.createElement('div');
      this.oExplosionFrag.className = 'xlsf-fragment';
      this.lights = [];
      this.lightClasses = {
        pico: 32,
        tiny: 50,
        small: 64,
        medium: 72,
        large: 96
      }

      this.lightClass = (window.XLSF_LIGHT_CLASS || 'tiny'); // kind of light to show (32px to 96px square)
      if (window.location.href.match(/size=/i)) {
        this.lightClass = window.location.href.substr(window.location.href.indexOf('size=') + 5);
        if (this.lightClass.indexOf('#') !== -1) {
          this.lightClass = this.lightClass.substr(0, this.lightClass.indexOf('#'));
        }
      }

      this.lightXY = this.lightClasses[this.lightClass]; // shortcut to w/h

      function rnd(n) {
        return parseInt(Math.random() * n);
      }

      function plusMinus(n) {
        return (parseInt(rnd(2), 10) === 1 ? n * -1 : n);
      }

      this.lightGroups = {
        left: [],
        top: [],
        right: [],
        bottom: []
      }
      this.lightSmashCounter = 0;
      this.lightIndex = 0;
      this.lightInterval = 500;
      this.timer = null;
      this.bgBaseX = 0;
      this.bgBaseY = 0;
      this.soundIDs = 0;
      this.soundPan = {
        panValue: 75,
        left: 0,
        mid: 481,
        right: 962
      }

      this.initSounds = function() {
        if (!soundManager.supported()) {
          return false;
        }
        for (var i = 0; i < 6; i++) {
          soundManager.createSound({
            id: 'smash' + i,
            url: (window.XLSF_URL_BASE || '') + 'sound/glass' + i + '.mp3',
            autoLoad: true,
            multiShot: true,
            volume: 25
          });
        }
        self.initSounds = function() {} // safety net
      }

      this.appendLights = function() {
        writeDebug('xlsf.appendLights()');
        self.oTarget.appendChild(self.oFrag);
        // self.oFrag = document.createDocumentFragment();
      }

      function ExplosionFragment(nType, sClass, x, y, vX, vY) {
        var self = this;
        this.o = xlsf.oExplosionFrag.cloneNode(true);
        this.nType = nType;
        this.sClass = sClass;
        this.x = x;
        this.y = y;
        this.w = 50;
        this.h = 50;
        this.bgBaseX = 0;
        this.bgBaseY = this.h * this.nType;
        this.vX = vX * (1.5 + Math.random());
        this.vY = vY * (1.5 + Math.random());
        this.oA = null;
        this.oA2 = null;
        this.burstPhase = 1; // starting background offset point
        this.burstPhases = 4; // 1+offset (ignore large size)
        this.animDuration = 1; // how long the animations run for
        this.o.style.backgroundPosition = ((this.w * -this.burstPhase) + 'px ' + (this.h * -nType) + 'px');

        // boundary checks
        if (self.sClass == 'left') {
          this.vX = Math.abs(this.vX);
        } else if (self.sClass == 'right') {
          this.vX = Math.abs(this.vX) * -1;
        }

        this.burstTween = function() {
          // determine frame to show based on animation's progress vs. its total time (and don't allow overflow, in the event animation runs long.)
          var phase = 1 + (Math.floor(Math.min(self.animDuration, (this.get('elapsedTime') / 1000)) * self.burstPhases));
          if (phase != self.burstPhase) {
            self.burstPhase = phase;
            self.o.style.backgroundPosition = ((self.w * -self.burstPhase) + 'px ' + (self.h * -nType) + 'px');
          }
        }


        this.burst = function() {
          self.oA = new Y.Anim({
            node: Y.one(self.o),
            to: {
              marginLeft: (self.vX * (5 + Math.random() * 10)),
              marginTop: (self.vY * (5 + Math.random() * 10))
            },
            duration: animDuration,
            easing: Y.Easing.easeOutStrong
          });
          self.oA.on('tween', self.burstTween);
          self.oA.on('end', self.hide);
          self.oA.run();
        }

        this.hide = function() {
          if (!isIE) self.o.style.opacity = 0;
        }

        this.reset = function() {
          self.o.style.left = '0px';
          self.o.style.top = '0px';
          self.o.style.marginLeft = '0px';
          self.o.style.marginTop = '0px';
          if (!isIE) self.o.style.opacity = 1;
        }

        this.animate = function() {
          self.reset();
          self.burst();
        }

      }

      function Explosion(nType, sClass, x, y) {
        var oParent = this;
        var self = this;
        this.o = null;
        this.nType = nType;
        this.sClass = sClass;
        this.x = x;
        this.y = y;
        this.boxVX = 0;
        this.boxVY = 0;
        this.o = xlsf.oExplosionBox.cloneNode(true);
        this.o.style.left = x + 'px';
        this.o.style.top = y + 'px';
        // this.oFrag = document.createDocumentFragment();
        this.fragments = [];

        var mX = x;
        var mY = y;
        var type = typeMap[nType + sClass];
        var scale = 5 + Math.random() * 10;
        var shift = 2;

        this.fragments.push(new ExplosionFragment(type, sClass, mX, mY, -rnd(scale), -rnd(scale)));
        this.fragments.push(new ExplosionFragment(type, sClass, mX, mY, plusMinus(rnd(shift)), -rnd(scale)));
        this.fragments.push(new ExplosionFragment(type, sClass, mX, mY, rnd(scale), -rnd(scale)));

        this.fragments.push(new ExplosionFragment(type, sClass, mX, mY, -rnd(scale), plusMinus(rnd(shift))));
        this.fragments.push(new ExplosionFragment(type, sClass, mX, mY, plusMinus(rnd(shift)), plusMinus(rnd(shift))));
        this.fragments.push(new ExplosionFragment(type, sClass, mX, mY, rnd(scale), plusMinus(rnd(shift))));

        this.fragments.push(new ExplosionFragment(type, sClass, mX, mY, rnd(scale), -rnd(scale)));
        this.fragments.push(new ExplosionFragment(type, sClass, mX, mY, rnd(scale), plusMinus(rnd(shift))));
        this.fragments.push(new ExplosionFragment(type, sClass, mX, mY, rnd(scale), rnd(scale)));

        this.init = function() {
          for (var i = self.fragments.length; i--;) {
            self.o.appendChild(self.fragments[i].o);
          }
          if (!IS_MOON_COMPUTER) {
            // faster rendering, particles get cropped
            xlsf.oExplosionTarget.appendChild(self.o);
          } else {
            // slower rendering, can overlay body
            xlsf.oExplosionTarget.appendChild(self.o);
          }
        }

        this.reset = function() {
          // clean-up
          // self.o.parentNode.removeChild(self.o);
          self.o.style.display = 'none';
          self.o.style.marginLeft = '0px';
          self.o.style.marginTop = '0px';
          self.o.style.left = self.x + 'px';
          self.o.style.top = self.y + 'px';
          if (!isIE) self.o.style.opacity = 1;
          for (var i = self.fragments.length; i--;) {
            self.fragments[i].reset();
          }
        }

        this.trigger = function(boxVX, boxVY) {
          self.o.style.display = 'block';
          self.boxVX = boxVX;
          self.boxVY = boxVY;
          // boundary checks
          if (self.sClass == 'right') {
            self.boxVX = Math.abs(self.boxVX) * -1;
          } else if (self.sClass == 'left') {
            self.boxVX = Math.abs(self.boxVX);
          }
          for (var i = self.fragments.length; i--;) {
            self.fragments[i].animate();
          }
          if (!isIE && (IS_MOON_COMPUTER)) {
            var oAExplode = new Y.Anim({
              node: Y.one(o),
              to: {
                marginLeft: 100 * self.boxVX,
                marginTop: 150 * self.boxVY,
                opacity: 0.01
              },
              duration: animDuration,
              easing: Y.Easing.easeInStrong
            });
          } else {
            // even IE 7 sucks w/alpha-transparent PNG + CSS opacity. Boourns.
            var oAExplode = new Y.Anim({
              node: Y.one(self.o),
              to: {
                marginLeft: 100 * self.boxVX,
                marginTop: 150 * self.boxVY
              },
              duration: animDuration,
              easing: Y.Easing.easeInStrong
            });
          }
          oAExplode.on('end', self.reset);
          oAExplode.run();
          // setTimeout(self.reset,animDuration*1000*1.5);
        }

        this.init();

      }

      function Light(sSizeClass, sClass, nType, x, y, row, col) {
        var self = this;
        this.o = document.createElement('div');
        this.sClass = sClass;
        this.sSizeClass = sSizeClass;
        this.nType = (nType || 0);
        this.useY = (sClass == 'left' || sClass == 'right');
        this.state = null;
        this.broken = 0;
        this.w = xlsf.lightClasses[sSizeClass];
        this.h = xlsf.lightClasses[sSizeClass];
        this.x = x;
        this.y = y;
        this.row = row;
        this.col = col;
        this.bg = (window.XLSF_URL_BASE || '') + 'image/bulbs-' + this.w + 'x' + this.h + '-' + this.sClass + '.png';
        this.o.style.width = this.w + 'px';
        this.o.style.height = this.h + 'px';
        this.o.style.background = 'url(' + this.bg + ') no-repeat 0px 0px';
        this.bgBaseX = (self.useY ? -self.w * this.nType : 0);
        this.bgBaseY = (!self.useY ? -self.h * this.nType : 0);
        this.glassType = parseInt(Math.random() * 6);
        // this.bonusSounds = ['griffin-laugh','bblaff','bblaff2'];
        // this.bonusSound = null;
        this.oExplosion = null;
        this.soundID = 'smash' + this.glassType;
        var panValue = xlsf.soundPan.panValue; // eg. +/- 80%
        this.pan = parseInt(this.x <= xlsf.soundPan.mid ? -panValue + ((this.x / xlsf.soundPan.mid) * panValue) : (this.x - xlsf.soundPan.mid) / (xlsf.soundPan.right - xlsf.soundPan.mid) * panValue);

        this.setBGPos = function(x, y) {
          self.o.style.backgroundPosition = ((self.bgBaseX + x) + 'px ' + (self.bgBaseY + y) + 'px');
        }

        this.setLight = function(bOn) {
          if (self.broken || self.state == bOn) return false;
          if (!self.w || !self.h) self.getDimensions();
          self.state = bOn;
          if (self.useY) {
            self.setBGPos(0, -this.h * (bOn ? 0 : 1));
          } else {
            self.setBGPos(-this.w * (bOn ? 0 : 1), 0);
          }
        }

        this.getDimensions = function() {
          self.w = self.o.offsetWidth;
          self.h = self.o.offsetHeight;
          self.bgBaseX = (self.useY ? -self.w * self.nType : 0);
          self.bgBaseY = (!self.useY ? -self.h * self.nType : 0);
        }

        this.on = function() {
          self.setLight(1);
        }

        this.off = function() {
          self.setLight(0);
        }

        this.flickr = function() {
          self.setLight(Math.random() >= 0.5 ? 1 : 0);
        }

        this.toggle = function() {
          self.setLight(!self.state ? 1 : 0);
        }

        this.explode = function(e) {
          self.oExplosion.trigger(0, 1); // boooom!
        }

        this.smash = function(e) {
          if (self.broken) return false;
          self.broken = true;
          if (soundManager && soundManager.supported()) {
            soundManager.play(self.soundID, {
              pan: self.pan
            });
            // soundManager.sounds[self.soundID].play({pan:self.pan});
            // if (self.bonusSound != null) window.setTimeout(self.smashBonus,1000);
          }
          self.explode(e);
          var rndFrame = 2; // +parseInt(Math.random()*3);
          if (self.useY) {
            self.setBGPos(0, self.h * -rndFrame);
          } else {
            self.setBGPos(self.w * -rndFrame, 0);
          }
          if (!useFollow && !useAngle && transforms.prop) {
            self.o.style[transforms.prop] = 'rotate(' + Math.random() * plusMinus(20) + 'deg)';
          }
          xlsf.lightSmashCounter++;
          for (var i = activeLights.length; i--;) {
            // find this in the active array, and take it out
            if (activeLights[i] === self) {
              activeLights.splice(i, 1);
              break;
            }
          }
          // xlsf.doNukeCheck();
          // window.setTimeout(self.reset,3000); // respawn
        }

        this.smashBonus = function() {
          // soundManager.play(self.bonusSounds[self.bonusSound],urlBase+'sound/'+self.bonusSounds[self.bonusSound]+'.mp3');
        }

        this.reset = function() {
          if (!self.broken) return false;
          self.broken = false;
          self.state = null;
          xlsf.lightSmashCounter--;
          // self.oExplosion.reset(); // may not be necessary
          self.flickr();
        }

        this.init = function() {
          self.o.className = classBase + ' ' + this.sizeClass + ' ' + this.sClass;
          self.o.style.left = self.x + 'px';
          self.o.style.top = self.y + 'px';
          self.o.style.width = self.w + 'px';
          self.o.style.height = self.h + 'px';
          self.flickr();
          xlsf.oFrag.appendChild(self.o);
          self.oExplosion = new Explosion(self.nType, self.sClass, self.x, self.y);
        }

        this.init();

      } // Light()
      this.createLight = function(sClass, nType, x, y, row, col) {
        var oLight = new Light(self.lightClass, sClass, nType, x, y, row, col);
        activeLights.push(oLight);
        self.lightGroups[sClass].push(oLight);
        self.lights.push(oLight);
        return oLight;
      }

      this.rotateLights = function() {
        self.lights[self.lightIndex == self.lights.length ? self.lights.length - 1 : self.lightIndex].off();
        self.lightIndex++;
        if (self.lightIndex == self.lights.length) {
          self.lightIndex = 0;
        }
        self.lights[self.lightIndex].on();
      }

      this.randomLights = function() {
        self.lights[parseInt(Math.random() * self.lights.length)].toggle();
      }

      this.destroyLights = function() {
        // reset counter
        self.lightSmashCounter = 0;
        self.startSequence(Math.random() > 0.75 ? self.destroyLight : self.destroyRandom, 33);
      }

      this.destroyRandom = function() {
        for (var i = 2; i--;) {
          if (activeLights.length) {
            activeLights[parseInt(Math.random() * activeLights.length)].smash();
          }
        }
      }

      this.destroyLight = function() {
        var groupSize = 2; // # to smash at a time
        if (self.lightSmashCounter < self.lights.length) {
          var limit = Math.min(self.lightSmashCounter + groupSize, self.lights.length);
          var reverseLimit = Math.max(0, self.lights.length - self.lightSmashCounter - groupSize);
          for (var i = self.lightSmashCounter; i < limit; i++) {
            if (self.lights[self.lightSmashCounter]) {
              self.lights[self.lightSmashCounter].smash();
            }
            self.lights[self.lights.length - self.lightSmashCounter].smash();
          }
        } else {
          self.stopSequence();
        }
      }

      this.uberSmash = function() {
        // make everything explode - including your CPU.
        self.stopSequence();
        var ebCN = Y.D.getElementsByClassName;
/*
	    window.setTimeout(function(){self.smashGroup(self.lightGroups.left)},500);
	    window.setTimeout(function(){self.smashGroup(self.lightGroups.right)},2000);
	    window.setTimeout(function(){self.smashGroup(self.lightGroups.bottom)},4000);
	    window.setTimeout(function(){self.smashGroup(self.lightGroups.top)},6000);   
	*/
        window.setTimeout(function() {
          self.smashGroup(self.lightGroups.bottom)
        }, 500);
        window.setTimeout(function() {
          self.smashGroup(self.lightGroups.top)
        }, 3500);

      }

      this.smashGroup = function(oGroup) {
        for (var i = oGroup.length; i--;) {
          oGroup[i].smash();
        }
      }

      this.startSequence = function(fSequence, nInterval) {
        if (self.timer) self.stopSequence();
        self.timer = window.setInterval(fSequence, (typeof nInterval != 'undefined' ? nInterval : self.lightInterval));
      }

      this.stopSequence = function() {
        if (self.timer) {
          window.clearInterval(self.timer);
          self.timer = null;
        }
      }

      var typeMaps = {
        'tiny': {
          '0bottom': 0,
          '0top': 3,
          '1bottom': 1,
          '1top': 2,
          '2bottom': 2,
          '2top': 1,
          '3bottom': 3,
          '3top': 0
        },
        'other': {
          '0bottom': 3,
          '0top': 3,
          '1bottom': 2,
          '1top': 2,
          '2bottom': 1,
          '2top': 1,
          '3bottom': 0,
          '3top': 0
        }
      }

      var typeMap = typeMaps[(this.lightClass === 'tiny' ? 'tiny' : 'other')];

      var i = 0;

/*
	  for (i=0; i<6; i++) {
	    this.createLight('left',parseInt(Math.random()*4),-2,50+i*(self.lightXY*0.7));
	    this.createLight('right',parseInt(Math.random()*4),962,50+i*(self.lightXY*0.7));
	  }

	  for (i=0; i<27; i++) {
	    this.createLight('top',parseInt(Math.random()*4),20+i*(self.lightXY*0.7),23);
	    this.createLight('bottom',parseInt(Math.random()*4),20+i*(self.lightXY*0.7),253);
	  }
*/

      var j = 0;

      if (window.innerWidth || window.innerHeight) {
        var screenX = window.innerWidth; // -(!isIE?24:2);
        var screenY = window.innerHeight;
      } else {
        var screenX = (document.documentElement.clientWidth || document.body.clientWidth || document.body.scrollWidth); // -(!isIE?8:0);
        var screenY = (document.documentElement.clientHeight || document.body.clientHeight || document.body.scrollHeight);
      }

      // hack for SM2 homepage
      if (document.body && document.body.className && document.body.className.match(/home/i)) {

        _id('lights').style.display = 'block';

        // start lights to the right of <h1>
        // offset = parseInt(document.getElementsByTagName('h1')[0].offsetWidth)+16;
        var jMax = Math.floor((screenX - offset - 16) / self.lightXY);
        var iMax = Math.floor((screenY - offset - 16) / self.lightXY);

        for (j = 0; j < jMax; j++) {
          this.createLight('top', j % 3, offset + j * self.lightXY, 0);
          // this.createLight('bottom',j%3,offset+j*self.lightXY,screenY-offset-offset+1);
        }

        if (typeof isFun != 'undefined') {
          for (i = 0; i < iMax; i++) {
            this.createLight('left', i % 3, 0, offset + i * self.lightXY);
            // this.createLight('right',i%3,screenX-offset-offset,offset+i*self.lightXY);
          }
        }


      } else {

        var jMax = Math.floor((screenX) / self.lightXY);
        var iMax = Math.floor((screenY - 12) / self.lightXY);

        for (i = 0; i < iMax; i++) {
          for (j = 0; j < jMax; j++) {
            this.createLight((i + 1) % 2 == 0 ? 'bottom' : 'top', i % 4, j * self.lightXY, i * self.lightXY, j, i);
          }
        }

      }

/*
	  var bsCounter = 0;
	  for (i=0; i<8; i++) {
	    // plant a few random seeds.. er, sounds.
	    self.lights[parseInt(Math.random()*self.lights.length)].bonusSound = bsCounter++;
	    if (bsCounter>2) bsCounter = 0; // hack - loop through sounds
	  }
*/

      this.appendLights();

      function followMouseMove(e) {
        if (!self.lights.length) {
          return false;
        }
        var x = lastMouseX;
        var y = lastMouseY;
        var x2 = null;
        var y2 = null;
        var angle = 0;
        var light = null;
        for (var i = self.lights.length; i--;) {
          light = self.lights[i];
          if (light && !light.broken) {
            x2 = light.x;
            y2 = light.y;
            angle = Math.atan2((y - y2), (x - x2)) * (180 / Math.PI);
            if (light.col % 2 === 0) {
              angle += (270 * 180 / Math.PI);
            }
            if (transforms.prop) {
              light.o.style[transforms.prop] = 'rotate(' + angle + 'deg)';
            }
          }
        }
        mmhTimer = null;
      }

      function mouseOrTouchMove(e) {
        // coordinate -> row/col check, smashy smash
        var x, y, lightIndex;
        if (e.targetTouches) {
          if (e.targetTouches.length === 1) {
            x = e.targetTouches[0].clientX - offset;
            y = e.targetTouches[0].clientY;
          }
        } else {
          x = e.clientX - offset;
          y = e.clientY;
        }
        if (x < 0) {
          // ignore off-screen values.
          return;
        }
        lightCol = Math.floor((x / (self.lightClasses[self.lightClass] * jMax) * jMax)), lightRow = Math.floor((y / (self.lightClasses[self.lightClass] * iMax) * iMax))
        lightIndex = (jMax * lightRow) + lightCol;
        if (self.lights[lightIndex]) {
          self.lights[lightIndex].smash();
        }
        if (useFollow) {
          lastMouseX = x;
          lastMouseY = y;
          if (!mmhTimer) {
            mmhTimer = window.setTimeout(followMouseMove, 33); // try to be nice and throttle this call, which may be expensive
          }
        }
      }

      if (isTouchDevice && self.oTarget !== document.documentElement) {
        self.oTarget.addEventListener('touchstart', function(e) {
          self.oTarget.addEventListener('touchmove', mouseOrTouchMove, false);
          self.oTarget.addEventListener('touchend', function(e) {
            self.oTarget.removeEventListener('touchMove', mouseOrTouchMove);
          });
          mouseOrTouchMove(e); // initial touch might be a smashy one, too
          e.preventDefault();
          return false;
        }, false);
      } else {
        if (document.addEventListener) {
          document.addEventListener('mousemove', mouseOrTouchMove, false);
        } else if (document.attachEvent) {
          document.attachEvent('onmousemove', mouseOrTouchMove);
        }
      }

      this.startSequence(self.randomLights);

    } // --- XLSF2007()
    var xlsf = null;

    function smashInit() {
      var loading = document.getElementById('loading');
      xlsf = new XLSF(document.getElementById('lights'));
      window.xlsf = xlsf; // expose to global
      xlsf.initSounds();
      if (loading) {
        loading.style.display = 'none';
      }
    }

    window.smashInit = smashInit;

    // start in either case
    soundManager.onready(smashInit);
    soundManager.ontimeout(smashInit);

  });

}

(function() {

  // script loader helper for YUI library
  // http://yui.yahooapis.com/3.4.1/build/yui/yui-min.js

  function loadScript(sURL, onLoad) {
    try {
      var loadScriptHandler = function() {
          var rs = this.readyState;
          if (rs == 'loaded' || rs == 'complete') {
            this.onreadystatechange = null;
            this.onload = null;
            if (onLoad) {
              window.setTimeout(onLoad, 20);
            }
          }
        }

      function scriptOnload() {
        this.onreadystatechange = null;
        this.onload = null;
        window.setTimeout(onLoad, 20);
      }
      var oS = document.createElement('script');
      oS.type = 'text/javascript';
      oS.setAttribute('async', true);
      if (onLoad) {
        oS.onreadystatechange = loadScriptHandler;
        oS.onload = scriptOnload;
      }
      oS.src = sURL;
      document.getElementsByTagName('head')[0].appendChild(oS);
    } catch (e) {
      // oh well
    }
  }

  if (typeof window.YUI === 'undefined') {
    loadScript('http://yui.yahooapis.com/3.4.1/build/yui/yui-min.js', function() {
      initChristmasLights();
    });
  }

}());

soundManager.url = '../../swf/';
soundManager.preferFlash = true;
soundManager.flashVersion = 9;
soundManager.useHighPerformance = true;
soundManager.wmode = 'transparent';
soundManager.debugMode = false;