function $a(element){
if(arguments.length>1){
for(var i=0,length=arguments.length,elements=[];i<length;i++){
elements.push($a(arguments[i]));
}
return elements;
}
if(typeof element=="string"){
return document.getelementbyid(element);
}else{
return element;
}
}
var class={
create:function(){
return function(){
this.initialize.apply(this,arguments);
}
}
}
function.prototype.bind=function(object){
var method=this;
return function(){
method.apply(object,arguments);
}
}
var scroll=class.create();
scroll.prototype={
initialize:function(element,height){
this.element=$a(element);
this.element.innerhtml+=this.element.innerhtml;
this.height=height;
this.maxheight=this.element.scrollheight/2;
this.counter=0;
this.scroll();
this.timer="";
this.element.onmouseover=this.stop.bind(this);
this.element.onmouseout=function(){this.timer=settimeout(this.scroll.bind(this),1000);}.bind(this);
},
scroll:function(){
if(this.element.scrolltop<this.maxheight){
this.element.scrolltop++;
this.counter++;
}else{
this.element.scrolltop=0;
this.counter=0;
}
if(this.counter<this.height){
this.timer=settimeout(this.scroll.bind(this),10);
}else{
this.counter=0;
this.timer=settimeout(this.scroll.bind(this),3000);
}
},
stop:function(){
cleartimeout(this.timer);
}
}
var myscroll=new scroll("myscroll",30);