var ourInterval = 0;
		var scrollSpeed = 50;
		var scrollWidth = 10;
		function scrollStart(direction, divID){
			ourInterval = setInterval("scroll"+direction+"('"+divID+"')", scrollSpeed);
		}
		function scrollEnd(){
			clearInterval(ourInterval);
		}
		function scrollTop(which){
			document.getElementById(which).scrollTop = document.getElementById(which).scrollTop + scrollWidth;
		}
		function scrollDown(which){
			document.getElementById(which).scrollTop = document.getElementById(which).scrollTop - scrollWidth;
		}