function $(id) {
	return document.getElementById?document.getElementById(id):document.all?d.all[id]:document.layers[id];
}
function send(){

  $("box").innerHTML+="<h1>"+$("msg").value+"</h1>";

$("box").scrollTop+=1000;

}
window.onload=function(){
$("box").onscroll=function(){
console.log(this);
console.log(this.scrollTop);

}

}