var marquee = function(root, row1, row2, style, width, height){
 this.m_root = document.getElementById(root);
 this.m_row1 = document.getElementById(row1);
 this.m_row2 = document.getElementById(row2);
 this.m_style = style;
 
 this.m_root.style.overflow = "hidden";
 this.m_root.style.width = width;
 this.m_root.style.height = height;
 this.m_row2.innerHTML = this.m_row1.innerHTML;
}

marquee.prototype.scrolls = function(){
 switch(this.m_style){
 case 0:
  if(this.m_row2.offsetHeight - this.m_root.scrollTop <= 0){
   this.m_root.scrollTop -= this.m_row1.offsetHeight;
  }else{
   this.m_root.scrollTop++;
  }
  break;
  
 case 1:
  if(this.m_row2.offsetWidth - this.m_root.scrollLeft <= 0){
   this.m_root.scrollLeft -= this.m_row1.offsetWidth;
  }else{
   this.m_root.scrollLeft++;
   window.status=this.m_root.scrollLeft+"|"+this.m_row1.offsetWidth+"|"+this.m_row2.offsetWidth;
  }
  break;
 }
}

marquee.prototype.star = function(obj, speed){
 var fm = function(){ obj.scrolls(); }
 var mt = setInterval(fm, speed);
 obj.m_root.onmouseover = function(){ clearInterval(mt); }
 obj.m_root.onmouseout = function(){ mt = setInterval(fm, speed); }
 
}