function scrollerObj(name,initH,initW,heightB,widthB,content,initBg,Bg,speed,initFl) {
	    //**data**//
	    this.name=name;
	    this.initH=initH;
	    this.initW=initW;
	    this.heightB=heightB;
	    this.widthB=widthB;
	    this.content=content;
	    this.initBg=initBg;
	    this.Bg=Bg;
	    this.iniFl=initFl;
	    this.speed=parseInt(speed);
	    this.timer = name + "Timer";
	    this.elem;
		this.distance=10;

	    //**methods**//
	    this.getElement = getElement;
	    this.createLayer = createLayer;
	    this.scrollLayer = scrollLayer;
	    this.scrollLoop = scrollLoop;


	    //**initiate methods**//
	    this.createLayer();
	    this.getElement();
	    this.scrollLayer();
    }

    //**call this method to stop scrolling**//
    function scrollLoop(s){
	    this.speed = s;
    }

 //**pretty obvious**//
    function scrollLayer(){
     if(parseInt(this.elem.style.top)>(this.elem.offsetHeight*(-1))){
         this.elem.style.top = parseInt(this.elem.style.top)-this.speed;
         this.elemBack.style.top = this.elem.offsetTop+this.elem.offsetHeight+this.distance;
         //alert(parseInt(this.elem.style.top)+"\n"+this.elem.id);
     }
     else {
      //this.elem.style.top = this.initH;

      // ¥æ´«¨¤¦â
      this.elem.style.top = this.elemBack.offsetTop+this.elemBack.offsetHeight+this.distance;
      tempElem = this.elem;
      this.elem = this.elemBack;
      this.elemBack = tempElem;
  }
    }

    //**get the specific dom-expression**//
    function getElement(){
     if(document.getElementById){
         this.elem = document.getElementById(this.name);
        }
     else if (document.all){
      this.elem = document.all[name];
        }
     else if (document.layers){
      this.elem = document.layers[name];
        }

        this.elemBack = this.elem.cloneNode(true);
        this.elemBack.id = this.name+"Back";
        //this.elemBack.style.top = this.elem.offsetTop+this.elem.offsetHeight+this.distance;
        this.elem.parentNode.appendChild(this.elemBack);
    }

    //**pretty obvious - if NS4 - please upgrade to a standard compliant browser**//
    function createLayer(){
	    if(document.getElementById || document.all){
		    document.write('<div id="layer'+this.name+'" style="position:relative;overflow:hidden;float:'+this.initFl+';background-color:#'+this.initBg+';border:0px solid black;width:'+this.initW+'px;height:'+this.initH+'px;" onMouseover="'+this.name+'.scrollLoop(0)" onMouseout="'+this.name+'.scrollLoop('+this.speed+')">');
		    document.write('<div id="'+this.name+'" style="position:absolute;top:'+this.initH+'px;left:0px;border:0px solid black;width:'+this.widthB+'px;height:'+this.heightB+'px;background-color:#'+this.Bg+'">');
		    document.write(this.content);
		    document.write('<\/div><\/div>');}
	    else if(document.layers){
	        document.write('<ilayer name="'+this.name+'" bgcolor="#'+this.Bg+'" width="'+this.widthB+'" height="'+this.heightB+'">'+this.content+'<\/ilayer>');
	        return;
    	}
	    if(this.scrollLayer){
	      this.timer = setInterval(this.name+'.scrollLayer()','50');
    	}
    }