<!--
var stepNo=10;
var runtimes=0;
var toItemIndex=3;
var onItemIndex=3;
function changeItem(clickItemIndex){
	toItemIndex=clickItemIndex;
	if(toItemIndex-onItemIndex>0)
		moveUp();
	else 
		moveDown();
	runtimes++;
	if(runtimes>=stepNo){
		onItemIndex=toItemIndex;
		runtimes=0;
	}
	else
		setTimeout("changeItem(toItemIndex)",10);
}
function moveUp(){
	for(i=onItemIndex+1;i<=toItemIndex;i++)
		document.getElementById(i).style.top=parseInt(document.getElementById(i).style.top)-34;
}
function moveDown(){
	for(i=onItemIndex;i>toItemIndex;i--)
		document.getElementById(i).style.top=parseInt(document.getElementById(i).style.top)+34;
}
//-->