// JavaScript Document
	var scroll_clipper	= null;  
	var scroll_to		= '';		//	{up, dn}
	var scroll_timer	= null;

	function init()
	{
	  	scroll_clipper	= document.getElementById("types-scrollbox");  		
	}

	function _scroll() {
		if(scroll_clipper){
			if(scroll_to != ""){
				if(scroll_to=="up"){
					if(scroll_clipper.scrollTop >= 10){
						scroll_clipper.scrollTop = scroll_clipper.scrollTop - 10;
					}else{
						scroll_clipper.scrollTop =  0;
						stop_scrolling();
					}
				}else{
					if(scroll_to=="dn"){
						scroll_clipper.scrollTop = scroll_clipper.scrollTop + 10;
					}else{
						stop_scrolling();
					}	
				}
			}
		}else{
			stop_scrolling();
		}	
	}	
	
  function move_up() {
	scroll_to = 'up';
	scroll_timer = setInterval("_scroll()", 50);
  }
  function move_dn() {
	scroll_to = 'dn';
	scroll_timer = setInterval("_scroll()", 50);
  }
  function stop_scrolling() {
	clearInterval(scroll_timer);
  }