var IE6 = false /*@cc_on || @_jscript_version < 5.7 @*/;

if (!document.myGetElementsByClassName) {
	document.myGetElementsByClassName = 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 : 0.25,
	defaultOpacity: 0.1,
	
	add: function(image, options) {
		
		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) {
				
                var reflection = document.createElement('img');
				reflection.className = "reflected";
				reflection.src = p.src;
				
				if(IE6){
					reflection.style.filter = 'flipv progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + reflection.src + '\',sizingMethod=\'scale\') progid:DXImageTransform.Microsoft.Alpha(opacity='+(options['opacity']*100)+', style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy='+(options['height']*100)+')';
				}
				else {
					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)+')';
				} 
				p.parentNode.appendChild(reflection);
				if (IE6){
					image.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + image.src + "',sizingMethod='scale')";
					image.onload = null;
					image.src = "/site/gifs/void.gif";
				}
				
			} else {
				var canvas = document.createElement('canvas');
				if (canvas.getContext) {
					/* Copy original image's classes & styles to div */
					d.className = newClasses;
					p.className = '';
					
					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;
					context.rect(0, 0, reflectionWidth, reflectionHeight*2);
					context.fill();
				}
			}
		} catch (e) {
	    }
	}
	,
	
	remove : function(image) {
		//image.className = image.parentNode.className;
		//image.parentNode.parentNode.replaceChild(image, image.parentNode);
		
	}
}

function addReflections() {
	var rimages = document.myGetElementsByClassName('reflect');
	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});
	}
}