/*
 * This script is based on reflection.js v1.6 an bgsleight.js
 * Changed by Tadao Kuroda 
 * Freely distributable under MIT-style license.
 */
 
var bgsleight	= function() {
	
	function addLoadEvent(func) {
		var oldonload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = func;
		} else {
			window.onload = function() {
				if (oldonload) {
					oldonload();
				}
				func();
			}
		}
	}
	
	function fnLoadPngs() {
		var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
		var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);
		for (var i = document.all.length - 1, obj = null; (obj = document.all[i]); i--) {
			if (itsAllGood && obj.currentStyle.backgroundImage.match(/\.png/i) != null) {
				fnFixPng(obj);
				obj.attachEvent("onpropertychange", fnPropertyChanged);
			}
		}
	}

	function fnPropertyChanged() {
		if (window.event.propertyName == "style.backgroundImage") {
			var el = window.event.srcElement;
			if (!el.currentStyle.backgroundImage.match(/x\.gif/i)) {
				var bg	= el.currentStyle.backgroundImage;
				var src = bg.substring(5,bg.length-2);
				el.filters.item(0).src = src;
				el.style.backgroundImage = "url(x.gif)";
			}
		}
	}

	function fnFixPng(obj) {
		var bg	= obj.currentStyle.backgroundImage;
		var src = bg.substring(5,bg.length-2);
		if(obj.id=="clustrback"){
		obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";
		obj.style.backgroundImage = "url(x.gif)";
		}
	}
	
	
	
	
	return {
		
		init: function() {
			
			if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
				addLoadEvent(fnLoadPngs);
			}
			
		}
	}
	
}();

bgsleight.init(); 







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) 
            {
                if (document.all && !window.opera)
                {
                    if( child.parentElement.tagName == 'A')
                    {                                
                        child.setAttribute('link', child.parentNode.getAttribute('href'));
                    }
                }                
                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] != "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) {
                /* 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';
                p.style.border = '0';
                
                var anchorTag = document.createElement('a');
                anchorTag.setAttribute('href', p.link );
                p.removeAttribute('link');
                            
                var reflection = document.createElement('img');
                reflection.src = p.src;
                reflection.style.width = reflectionWidth+'px';
                reflection.style.marginTop = '1px';
                
                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)+')';
                
                reflection.id = 'reflectedCanvas';
                
                d.style.width = reflectionWidth+'px';
                d.style.height = divHeight+'px';
                
                p.parentNode.replaceChild(d, p);
                
                anchorTag.appendChild(p);
                d.appendChild(anchorTag)                
                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.verticalAlign = 'bottom';
                    
                    
                    
                    if(p.parentNode.tagName == 'A'){
                      /*<DIV> inheriting the css from <A>*/
                      var anchorTag = p.parentNode;
                      d.style.border = anchorTag.style.border;
                      d.style.margin = anchorTag.style.margin;
                      d.style.padding = anchorTag.style.padding;
                      
                      
                    
                    }
                      
                    var context = canvas.getContext("2d");
                
                    canvas.id = 'reflectedCanvas';
                    canvas.style.height = reflectionHeight+'px';
                    canvas.style.width = reflectionWidth+'px';
                    canvas.height = reflectionHeight;
                    canvas.width = reflectionWidth;
                    canvas.style.marginTop = '1px';
                    
                    d.style.width = reflectionWidth+'px';
                    d.style.height = divHeight+'px';
                    
                    if(p.parentNode.tagName == 'A'){
                      anchorTag.parentNode.replaceChild(d, anchorTag);
                      d.appendChild(anchorTag);
                      anchorTag.appendChild(p);
                      d.appendChild(canvas);  
                    }else{
                      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('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});
    }
}

var antigoOnload = window.onload;
window.onload = function () { if(antigoOnload) antigoOnload(); addReflections(); }