var MoveupFucID;

var ScrollHeight = 0;
var ScrollContent = document.getElementById("InnerBlock");

//啟動捲動
document.getElementById("InnerBlock").style.top = 100;
//MoveupFucID = setInterval("moveup()", 1000);


//往上捲動的函式
function moveup()
{
	//alert(document.getElementById("InnerBlock").offsetHeight);
	//alert('start:'+document.getElementById("InnerBlock").style.top +'\n off:'+document.getElementById("InnerBlock").offsetHeight+'\n height:'+ScrollHeight);
	//從頭來

	if(document.getElementById("InnerBlock").offsetHeight + 100 == ScrollHeight)
	{
		document.getElementById("InnerBlock").style.top = 100;
		ScrollHeight = 0;

	}
	ScrollHeight++;
	document.getElementById("InnerBlock").style.top = parseInt(document.getElementById("InnerBlock").style.top) - 1;
	//alert('off:'+document.getElementById("InnerBlock").offsetHeight +'---'+ScrollHeight);
}


function stopscroll()
{
	clearInterval(MoveupFucID);
}

function continuescroll()
{
	MoveupFucID = setInterval("moveup()", 100);
}

continuescroll();