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] != "reflect") {
          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) {
        /* Fix hyperlinks */
              if(p.parentElement.tagName == 'A') {
            var d = document.createElement('a');
            d.href = p.parentElement.href;
              }  
            
        /* 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';
        if (p.parentNode) {
          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.zIndex = 1;
          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';
          if (p.parentNode) {
            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);
          }
        }
      }
      return d;
    } catch (e) {
      //console.log(e);
      return null;
    }
  },
  
  remove : function(image) {
    if (image.className == "reflected") {
      image.className = image.parentNode.className;
      image.parentNode.parentNode.replaceChild(image, image.parentNode);
    }
  }
};