function scrollMove(id){this.objId=id;document.getElementById(id).style.marginLeft="0px";}
scrollMove.prototype={
    index:0,stop:0,count:0,pos:0,objId:'',offset:134,step:3,speed:7,time:50,disLeft:false,disRight:true,
    PosLeft:function(){
       if (this.pos<1)return;
       if (this.pos-this.step<0)this.pos=0;
       this.stop+=(this.offset*this.step);
       if (this.stop>0)this.stop=0;
       scrollMove_run(this.index,this.stop,this.speed,true,this.objId,this.speed,this.time);
       if (this.pos!=0){this.pos-=this.step;this.index+=(this.offset*this.step);}
       else this.index=0;
       this.disRight=true;
       this.disLeft=(this.pos!=0);
    },
    PosRight:function(){
      if (this.pos+this.step>=this.count)return;
      this.stop -=(this.offset*this.step);
      scrollMove_run(this.index,this.stop,this.speed,false,this.objId,this.speed,this.time);
      this.index-=(this.offset*this.step);
      this.pos+=this.step;
      this.disLeft=true;
      this.disRight=!(this.pos+this.step+4>=this.count);
    },
    Seek:function(index){
        this.stop-=(this.offset*index);
        this.index=this.stop;
        this.pos=index;
        document.getElementById(this.objId).style.marginLeft=this.stop+"px";
    }
}
function scrollMove_run(step,stop,speed,add,objId,intSpeed,time){
    if (!add){
        step-=(speed+=intSpeed);
        if (step<stop) step=stop;
    }else{
        step+=(speed+=intSpeed);
        if (step>stop) step=stop;
    }
    document.getElementById(objId).style.marginLeft=step+"px";
    if (step!=stop) setTimeout("scrollMove_run("+step+","+stop+","+speed+","+add+",'"+objId+"',"+intSpeed+","+time+")",time);
}


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] != "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;
			d.className = newClasses;
			p.className = 'reflected';
			d.style.cssText = p.style.cssText;
			p.style.cssText = ' ';
			if (document.all && !window.opera) {
				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');
				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('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});
	}
}