function up(scrollby){
	var theamount = document.getElementById('scrollcontainer').scrollTop;
	document.getElementById('scrollcontainer').scrollTop=theamount-scrollby;
}
function down(scrollby){
	var theamount = document.getElementById('scrollcontainer').scrollTop;
	document.getElementById('scrollcontainer').scrollTop=theamount+scrollby;
}

function upTwo(scrollby){
	var theamount = document.getElementById('scrollcontainerTwo').scrollTop;
	document.getElementById('scrollcontainerTwo').scrollTop=theamount-scrollby;
}
function downTwo(scrollby){
	var theamount = document.getElementById('scrollcontainerTwo').scrollTop;
	document.getElementById('scrollcontainerTwo').scrollTop=theamount+scrollby;
}