var scrollInterval = 0;
	
function scrollMe(idDiv){
  var scrollPoint = document.getElementById(idDiv).scrollTop;
	scrollPoint++;
	document.getElementById(idDiv).scrollTop = scrollPoint;
	}

function scrollPause(){
	clearInterval (scrollInterval);
	}

function scrollStart(idDiv){
  scrollInterval = setInterval ("scrollMe('"+idDiv+"')", 20);
	}
	
function scrollStop(idDiv){
	clearInterval (scrollInterval);
	document.getElementById(idDiv).scrollTop = 0;
	}