function Marquee(instance,marquee,direction,delay,amount){
    this.instance = instance;
    this.marquee = document.getElementById(marquee);
    this.delay = delay;
    if(this.delay==null){
        this.delay = 1;
    }
    this.amount = amount;
    if(this.amount==null){
        this.amount = 1;
    }
    this.direction = direction;
    this.width = this.marquee.clientWidth;
    this.height = this.marquee.clientHeight;
    this.container = document.createElement("table");
    this.container.border=0;
    this.container.cellspacing="0";
    this.container.cellpadding="0";
    var _HTML = this.marquee.innerHTML;
    this.marquee.innerHTML = "";
    this.marquee.appendChild(this.container);
    var _tr = this.container.insertRow(this.container.rows.length);
    var _td = _tr.insertCell(_tr.cells.length);
    _td.innerHTML = _HTML;
    this.scrollHeight = this.container.clientHeight;
    this.scrollWidth = this.container.clientWidth;
    switch(this.direction.toLowerCase()){
    case "up":
    case "down":
        if(this.scrollHeight>=this.height){
            var _tr = this.container.insertRow(this.container.rows.length);
            var _td = _tr.insertCell(_tr.cells.length);
            _td.innerHTML = _HTML;
            this.scrollHeight = this.container.clientHeight;
        }
        if(this.direction.toLowerCase()=="down"){
            this.marquee.scrollTop=this.scrollHeight/2;
        }
        break;
    default:
        if(this.scrollWidth>=this.width){
            var _td = _tr.insertCell(_tr.cells.length);
            _td.innerHTML = _HTML;
            this.scrollWidth = this.container.clientWidth;
        }
        
    }
    
    this.marquee.m = this;
    
    this.intervalId = null;
    this.marquee.onmouseover = function (){
        this.m.Stop();
    }
    this.marquee.onmouseout = function (){
        this.m.Start();
    }
    this.Start();
}
Marquee.prototype.Start = function (){
    this.intervalId = setInterval(this.instance+".Scroll()",this.delay)
}
Marquee.prototype.Stop = function (sender){
    if(this.intervalId!=null){
        clearInterval(this.intervalId);
    }
}
Marquee.prototype.Scroll = function (){
    switch(this.direction.toLowerCase()){
    case "up":
    if((this.marquee.scrollTop+this.height)>=this.scrollHeight){
        this.marquee.scrollTop-=this.scrollHeight/2
    }
    if(this.scrollHeight>this.height){
        this.marquee.scrollTop+=this.amount;
    }
    break;
    case "down":
    if(this.marquee.scrollTop<=0){
        this.marquee.scrollTop+=this.scrollHeight/2
            }
    if(this.scrollHeight>this.height){
        this.marquee.scrollTop-=this.amount;
    }
    break;
    case "right":
    if(this.marquee.scrollLeft<=0){
        this.marquee.scrollLeft+=this.scrollWidth/2
            }
    if(this.scrollWidth>this.width){
        this.marquee.scrollLeft-=this.amount;
    }
    break;
    default:
    if((this.marquee.scrollLeft+this.width)>=this.scrollWidth){
        this.marquee.scrollLeft-=this.scrollWidth/2
            }
    if(this.scrollWidth>this.width){
        this.marquee.scrollLeft+=this.amount;
    }
    }
}