<script type="text/javascript">
document.getElementsByClassName = function(className) {
  var children = document.getElementsByTagName('*') || document.all;
  var elements = new Array();
   
  for (var i = 0; i < children.length; i++) {
  var child = children[i];
  var classNames = child.className.split(' ');
  for (var j = 0; j < classNames.length; j++) {
  if (classNames[j] == className) {
  elements.push(child);
  break;
  }
  }
  }
  return elements;
}

var Reflection = {
  defaultHeight : 0.5,
  defaultOpacity: 0.5,
   
  add: function(image, options) {
  Reflection.remove(image);
   
  doptions = { "height" : Reflection.defaultHeight, "opacity" : Reflection.defaultOpacity }
  if (options) {
  for (var i in doptions) {
  if (!options[i]) {
  options[i] = doptions[i];
  }
  }
  } else {
  options = doptions;
  }
   
  try {
  var d = document.createElement('div');
  var p = image;
   
  var classes = p.className.split(' ');
  var newClasses = '';
  for (j=0;j<classes.length;j++) {
  if (classes[j] != "userAvatar") {
  if (newClasses) {
  newClasses += ' '
  }
   
  newClasses += classes[j];
  }
  }

  var reflectionHeight = Math.floor(p.height*options['height']);
  var divHeight = Math.floor(p.height*(1+options['height']));
   
  var reflectionWidth = p.width;
   
  if (document.all && !window.opera) {
  /* Copy original image's classes & styles to div */
  d.className = newClasses;
  p.className = 'reflected';
   
  d.style.cssText = p.style.cssText;
  p.style.cssText = 'vertical-align: bottom';
   
  var reflection = document.createElement('img');
  reflection.src = p.src;
  reflection.style.width = reflectionWidth+'px';
   
  reflection.style.marginBottom = "-"+(p.height-reflectionHeight)+'px';
  reflection.style.filter = 'flipv progid:DXImageTransform.Microsoft.Alpha(opacity='+(options['opacity']*100)+', style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy='+(options['height']*100)+')';
   
  d.style.width = reflectionWidth+'px';
  d.style.height = divHeight+'px';
  p.parentNode.replaceChild(d, p);
   
  d.appendChild(p);
  d.appendChild(reflection);
  } else {
  var canvas = document.createElement('canvas');
  if (canvas.getContext) {
  /* Copy original image's classes & styles to div */
  d.className = newClasses;
  p.className = 'reflected';
   
  d.style.cssText = p.style.cssText;
  p.style.cssText = 'vertical-align: bottom';
   
  var context = canvas.getContext("2d");
   
  canvas.style.height = reflectionHeight+'px';
  canvas.style.width = reflectionWidth+'px';
  canvas.height = reflectionHeight;
  canvas.width = reflectionWidth;
   
  d.style.width = reflectionWidth+'px';
  d.style.height = divHeight+'px';
  p.parentNode.replaceChild(d, p);
   
  d.appendChild(p);
  d.appendChild(canvas);
   
  context.save();
   
  context.translate(0,image.height-1);
  context.scale(1,-1);
   
  context.drawImage(image, 0, 0, reflectionWidth, image.height);
   
  context.restore();
   
  context.globalCompositeOperation = "destination-out";
  var gradient = context.createLinearGradient(0, 0, 0, reflectionHeight);
   
  gradient.addColorStop(1, "rgba(255, 255, 255, 1.0)");
  gradient.addColorStop(0, "rgba(255, 255, 255, "+(1-options['opacity'])+")");
   
  context.fillStyle = gradient;
  if (navigator.appVersion.indexOf('WebKit') != -1) {
  context.fill();
  } else {
  context.fillRect(0, 0, reflectionWidth, reflectionHeight*2);
  }
  }
  }
  } catch (e) {
  }
  },
   
  remove : function(image) {
  if (image.className == "reflected") {
  image.className = image.parentNode.className;
  image.parentNode.parentNode.replaceChild(image, image.parentNode);
  }
  }
}

function addReflections() {
  var rimages = document.getElementsByClassName('userAvatar');
  for (i=0;i<rimages.length;i++) {
  var rheight = null;
  var ropacity = null;
   
  var classes = rimages[i].className.split(' ');
  for (j=0;j<classes.length;j++) {
  if (classes[j].indexOf("rheight") == 0) {
  var rheight = classes[j].substring(7)/100;
  } else if (classes[j].indexOf("ropacity") == 0) {
  var ropacity = classes[j].substring(8)/100;
  }
  }
   
  Reflection.add(rimages[i], { height: rheight, opacity : ropacity});
  }
}

var previousOnload = window.onload;
window.onload = function () { if(previousOnload) previousOnload(); addReflections(); }
</script>