<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 += ' '  
}  
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>