var js_rolling = function(this_s){
	 // ½Ã°£´ÜÀ§´Â ms·Î 1000ÀÌ 1ÃÊ
	 if(this_s.nodeType==1){
	  this.this_s = this_s;
	 }else{
	  this.this_s = document.getElementById(this_s);
	 }
	 this.is_rolling = false;
	 this.direction = 1; //1:top, 2:right, 3:bottom, 4:left (½Ã°è¹æÇâ) // 1¹ø°ú 4¹ø¸¸ µÊ
	 this.children = null;
	 this.move_gap = 1; //¿òÁ÷ÀÌ´Â Çȼ¿´ÜÀ§
	 this.time_dealy = 100; //¿òÁ÷À̴ ŸÀÓµô·¹ÀÌ
	 this.time_dealy_pause = 1000;//ÇϳªÀÇ ´ë»óÀÌ »õ·Î ½ÃÀÛÇÒ ¶§ ¸ØÃß´Â ½Ã°£, 0 À̸é Àû¿ë ¾ÈÇÔ
	 this.time_timer=null;
	 this.time_timer_pause=null;
	 this.mouseover=false;
	 this.init();
	 this.set_direction(this.direction);
	}
	js_rolling.prototype.init = function(){
	 this.this_s.style.position='relative';
	 this.this_s.style.overflow='hidden';
	 var children = this.this_s.childNodes;
	 for(var i=(children.length-1);0<=i;i--){
	  if(children[i].nodeType==1){
	   children[i].style.position='relative';
	  }else{
	   this.this_s.removeChild(children[i]);
	  }
	 }
	 var this_s=this;
	 this.this_s.onmouseover=function(){
	  this_s.mouseover=true;
	  if(!this_s.time_timer_pause){
	   this_s.pause();
	  }
	 }
	 this.this_s.onmouseout=function(){
	  this_s.mouseover=false;
	  if(!this_s.time_timer_pause){
	   this_s.resume();
	  }
	 }
	}
	js_rolling.prototype.set_direction = function(direction){
	 this.direction=direction;
	 if(this.direction==2 ||this.direction==4){
	  this.this_s.style.whiteSpace='nowrap';
	 }else{
	  this.this_s.style.whiteSpace='normal';
	 }
	 var children = this.this_s.childNodes;
	 for(var i=(children.length-1);0<=i;i--){
	   if(this.direction==1){
	    children[i].style.display='block';
	   }else if(this.direction==2){
	    children[i].style.textlign='right';
	    children[i].style.display='inline';
	   }else if(this.direction==3){
	    children[i].style.display='block';
	   }else if(this.direction==4){
	    children[i].style.display='inline';
	   }
	 }
	 this.init_element_children();
	}
	js_rolling.prototype.init_element_children = function(){
	 var children = this.this_s.childNodes;
	 this.children = children;
	 for(var i=(children.length-1);0<=i;i--){
	   if(this.direction==1){
	    children[i].style.top='0px';
	   }else if(this.direction==2){
	    children[i].style.left='-'+this.this_s.firstChild.offsetWidth+'px';
	   }else if(this.direction==3){
	    children[i].style.top='-'+this.this_s.firstChild.offsetHeight+'px';
	   }else if(this.direction==4){
	    children[i].style.left='0px';
	   }
	 }
	}
	js_rolling.prototype.act_move_up = function(){
	 for(var i = 0,m=this.children.length;i<m;i++){
	  var child = this.children[i];
	  child.style.top=(parseInt(child.style.top)-this.move_gap)+'px';
	 }
	 if((this.children[0].offsetHeight+parseInt(this.children[0].style.top))<=0){
	  this.this_s.appendChild(this.children[0]);
	  this.init_element_children();
	  this.pause_act();
	 }
	}
	js_rolling.prototype.move_up = function(){
	 if(this.direction!=1&&this.direction!=3){return false;}
	 this.this_s.appendChild(this.children[0]);
	 this.init_element_children();
	 this.pause_act();
	}
	js_rolling.prototype.act_move_down = function(){
	 for(var i = 0,m=this.children.length;i<m;i++){
	  var child = this.children[i];
	  child.style.top=(parseInt(child.style.top)+this.move_gap)+'px';
	 }
	 if(parseInt(this.children[0].style.top)>=0){
	  this.this_s.insertBefore(this.this_s.lastChild,this.this_s.firstChild);
	  this.init_element_children();
	  this.pause_act();
	 }
	}
	js_rolling.prototype.move_down = function(){
	 if(this.direction!=1&&this.direction!=3){return false;}
	 this.this_s.insertBefore(this.this_s.lastChild,this.this_s.firstChild);
	 this.init_element_children();
	 this.pause_act();
	}
	js_rolling.prototype.act_move_left = function(){
	 for(var i = 0,m=this.children.length;i<m;i++){
	  var child = this.children[i];
	  child.style.left=(parseInt(child.style.left)-this.move_gap)+'px';
	 }
	 if((this.children[0].offsetWidth+parseInt(this.children[0].style.left))<=0){
	  this.this_s.appendChild(this.this_s.firstChild);
	  this.init_element_children();
	  this.pause_act();
	 }
	}
	js_rolling.prototype.move_left = function(){
	 if(this.direction!=2&&this.direction!=4){return false;}
	 this.this_s.appendChild(this.this_s.firstChild);
	 this.init_element_children();
	 this.pause_act();
	}
	js_rolling.prototype.act_move_right = function(){
	 for(var i = 0,m=this.children.length;i<m;i++){
	  var child = this.children[i];
	  child.style.left=(parseInt(child.style.left)+this.move_gap)+'px';
	 }

	 if(parseInt(this.this_s.lastChild.style.left)>=0){
	  this.this_s.insertBefore(this.this_s.lastChild,this.this_s.firstChild);
	  this.init_element_children();
	  this.pause_act();
	 }
	}
	js_rolling.prototype.move_right = function(){
	 if(this.direction!=2&&this.direction!=4){return false;}
	 this.this_s.insertBefore(this.this_s.lastChild,this.this_s.firstChild);
	 this.init_element_children();
	 this.pause_act();
	}
	js_rolling.prototype.start = function(){ //·Ñ¸µ ½ÃÀÛ
	 var this_s = this;
	 this.stop();
	 this.is_rolling = true;
	 var act = function(){
	  if(this_s.is_rolling){
	   if(this_s.direction==1){this_s.act_move_up();}
	   else if(this_s.direction==2){this_s.act_move_right();}
	   else if(this_s.direction==3){this_s.act_move_down();}
	   else if(this_s.direction==4){this_s.act_move_left();}
	  }
	 }
	 this.time_timer = setInterval(act,this.time_dealy);
	}
	js_rolling.prototype.pause_act = function(){ //ÀϽà µ¿ÀÛ
	 if(this.time_dealy_pause){
	  var this_s = this;
	  var act = function(){this_s.resume();this_s.time_timer_pause=null;}
	  if(this.time_timer_pause){clearTimeout(this.time_timer_pause);}
	  this.time_timer_pause = setTimeout(act,this.time_dealy_pause);
	  this.pause();
	 }
	}
	js_rolling.prototype.pause = function(){ //ÀϽà ¸ØÃã
	 this.is_rolling = false;
	}
	js_rolling.prototype.resume = function(){ //ÀϽà ¸ØÃã ÇØÁ¦
	 if(!this.mouseover){
	  this.is_rolling = true;
	 }
	}
	js_rolling.prototype.stop = function(){ //·Ñ¸µÀ» ³¡³¿
	 this.is_rolling = false;
	 if(!this.time_timer){
	  clearInterval(this.time_timer);
	 }
	 this.time_timer = null
	}