// JavaScript Document

var t=0;
var time;
function move_up(div,amm) {
	var divheight = 270;
	var divTop = document.getElementById(div).style.top;
	if (t >= -divheight){
		document.getElementById(div).style.top = t + "px";
		t=t-amm;
		time = window.setTimeout("move_up('scroller','5')",1);
	} else {
		window.clearTimeout(time);
	}
}
function move_down(div,amm) {
		var divTop = document.getElementById(div).style.top;
		if (t <= 0){
			document.getElementById(div).style.top = t + "px";
			k = amm;
			k = Number(k);
			t = t+k;
			time = window.setTimeout("move_down('scroller','5')",1);
		} else {
			window.clearTimeout(time);
		}
}
function stopani(ex) {
	if(ex=='exit'){
		window.clearTimeout(time);
	}
}