// JavaScript Document
var i = 0;
var j =0;
var speed = 30;
function divScroll() {
var conh = document.getElementById("contents").offsetHeight;
document.getElementById("contents").style.top = i + "px";
document.getElementById("contents1").style.top = conh+j+ "px";
i--;
j--;
if(i <=-conh) {
i =conh;
}
if(j<=-2*conh) {
j=0;
}
scroller=setTimeout("divScroll()",speed);
}

function stopScroll(el) {

clearTimeout(scroller);

el.onmouseout=function() {
divScroll();
}
}
onload = divScroll;