function scrollDown()
{
	window.frames['fr1'].scrollBy(0,10);
}
function scrollUp()
{
	window.frames['fr1'].scrollBy(0,-10)
}
function scd()
{
	scrollDown();
	timer=setTimeout("scd();",100);
}
function scStop()
{
	clearTimeout(timer);
}
function scu()
{
	scrollUp();
	timer=setTimeout("scu();",100);
}