<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>