// <![CDATA[
 
 /**
  *
  * RollingList by byuli
  *
  * Parameters
  * id : dome Element ID, tagType : ul & ol 태그 명시, liHeight : 텍스트의 높이, 
  * gabSpeed : 정지해 있는 시간, rollSpeed : 롤링되는 시간, startspeed : 롤링이 시작되는 시간.
  *
  */

		var RollingList = function (id, tagType, liHeight, gabSpeed, rollSpeed, startspeed)
		{	
			
			var listObj = document.getElementById(id);
			var nowCnt = 0;
			var movingCnt = 0;
			var maxCnt = 10; 
			this.init = function ()
			{
				try
				{
					listObj.className = "rolling_list_area";
				}catch (e)
				{
					alert("'" +  id + "' is not elements");
					return;
				}				
				listObj.style.height = liHeight + "px";
				var t = setTimeout(listObj.id + ".seting()", startspeed);
			}
			this.seting = function ()
			{
				var ulObj = listObj.getElementsByTagName(tagType)[0];
				var liObj = ulObj.getElementsByTagName("LI");
				maxCnt = liObj.length;
				ulObj.insertBefore(liObj[0].cloneNode(true), liObj[maxCnt-1].nextSibling);
				if(maxCnt>0)
				{
					this.show();
				}
			}
			this.show = function ()
			{
				if (maxCnt == nowCnt )
				{
					nowCnt = 0;
					movingCnt = 0;
					listObj.getElementsByTagName(tagType)[0].style.top = "0px";
				}
				nowCnt++;
				var t = setTimeout(listObj.id + ".motion()", gabSpeed);
			}
			this.motion = function ()
			{
				movingCnt = movingCnt + 4;
				if (movingCnt > (liHeight * nowCnt))
				{
					movingCnt = liHeight * nowCnt;
					this.show();
				}else
				{
					listObj.getElementsByTagName(tagType)[0].style.top= "-" + movingCnt + "px";
					var t = setTimeout(listObj.id + ".motion()", rollSpeed);
				}			
			}	
		}
	// ]]>