scrollVertical.prototype.scrollArea=null;
scrollVertical.prototype.scrollMsg=null;
scrollVertical.prototype.unitHeight=0;
scrollVertical.prototype.msgHeight=0;
scrollVertical.prototype.copyMsg=null;
scrollVertical.prototype.scrollValue=0;
scrollVertical.prototype.scrollHeight=0;
scrollVertical.prototype.isStop=true;
scrollVertical.prototype.isPause=false;
scrollVertical.prototype.scrollTimer=null;
scrollVertical.prototype.speed=2000;
scrollVertical.prototype.isMoz=function()
{
	return navigator.userAgent.toLowerCase().indexOf('gecko')>0;
};
scrollVertical.prototype.play=function(o)
{
	var s_msg=o.scrollMsg;
	var c_msg=o.copyMsg;
	var s_area=o.scrollArea;
	var msg_h=o.msgHeight;
	var anim=function()
{
	if(o.scrollTimer)clearTimeout(o.scrollTimer);
	if(o.isPause)
{
	o.scrollTimer=setTimeout(anim,10);
	return;
}
if(msg_h-o.scrollValue<=0)
{
	o.scrollValue=0;
}
else
{
	o.scrollValue+=1;
	o.scrollHeight+=1;
}
if(o.isMoz)
{
	s_area.scrollTop=o.scrollValue;
}
else
{
	s_msg.style.top=-1*o.scrollValue+"px";
	c_msg.style.top=(msg_h-o.scrollValue)+"px";
}
if(o.scrollHeight%s_area.offsetHeight==0)
{
	o.scrollTimer=setTimeout(anim,o.speed);
}else
{
	o.scrollTimer=setTimeout(anim,10);
}
};
anim();
};
function scrollVertical(disp,msg,tg)
{

if(typeof(disp)=='string')
{

this.scrollArea=document.getElementById(disp);
}else
{

this.scrollArea=disp;
}
if(typeof(msg)=='string')
{

this.scrollMsg=document.getElementById(msg);
}else
{

this.scrollMsg=msg;
}
var s_msg=this.scrollMsg;
var s_area=this.scrollArea;
if(!tg)var tg='li';
this.unitHeight=s_msg.getElementsByTagName(tg)[0].offsetHeight;
this.msgHeight=this.unitHeight*s_msg.getElementsByTagName(tg).length;
s_msg.style.position="absolute";
s_msg.style.top=0;
s_msg.style.left=0;
var copydiv=document.createElement('div');
copydiv.id=s_area.id+"_copymsgid";
copydiv.innerHTML=s_msg.innerHTML;
copydiv.style.height=this.msgHeight+"px";
s_area.appendChild(copydiv);
copydiv.style.position="absolute";
copydiv.style.top=this.msgHeight+"px";
copydiv.style.left=0;
this.copyMsg=copydiv;
this.play(this);
}