<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>