var layerID = "dropHit2";
	var downLayerId;
	var dropDegree = 2; //½ºÅ©·Ñ ¼Óµµ
	var doDirect;
	var DirectTerm = 0; //½ºÅ©·Ñ Áö¿¬½Ã°£
	var curDropIdx = 0;

	function DirectDown()
	{
		clearInterval(doDirect);
		clearInterval(downLayerId);
		if(document.all[layerID].length>1){
				for(i = curDropIdx ;i < document.all[layerID].length + curDropIdx;i++){
						document.all[layerID][i%document.all[layerID].length].style.posTop = document.all[layerID][i%document.all[layerID].length].style.posHeight * (-1*((i-curDropIdx)%document.all[layerID].length));
				}
				var temp = 'setInterval("DownLayer()",70)';
				downLayerId = eval(temp);
				direction = "down";
			}
	}
	function DownLayer()
	{
		if(document.all[layerID][curDropIdx].style.posTop < document.all[layerID][curDropIdx].style.posHeight){
			for(j = curDropIdx ;j < document.all[layerID].length + curDropIdx;j++){
				document.all[layerID][j%document.all[layerID].length].style.posTop += dropDegree;
			}
		}else{
			clearInterval(downLayerId);
			for(j = curDropIdx ;j < document.all[layerID].length + curDropIdx;j++){
				document.all[layerID][j%document.all[layerID].length].style.posTop = document.all[layerID][j%document.all[layerID].length].style.posHeight *((-1*((j-curDropIdx)%document.all[layerID].length))+1);
			}
			curDropIdx = (curDropIdx + 1) ;
			curDropIdx = curDropIdx > document.all[layerID].length-1 ? curDropIdx%document.all[layerID].length:curDropIdx;
			var temp = 'setInterval("DirectDown()",DirectTerm)';
			doDirect = eval(temp);
		}
	}
	function DirectUp(){
		clearInterval(doDirect);
		clearInterval(downLayerId);
		var tempIdx = 0;
			if(document.all[layerID].length>1){
				for(i = 0;i<document.all[layerID].length;i++){
						tempIdx = (document.all[layerID].length + curDropIdx - i) %document.all[layerID].length;
						document.all[layerID][tempIdx].style.posTop = i*document.all[layerID][tempIdx].style.posHeight;
				}
				var temp = 'setInterval("UpLayer()",70)';
				downLayerId = eval(temp);
				direction = "up";
			}
	}
	function UpLayer()
	{
		var tempIdx = 0;
		if(document.all[layerID][curDropIdx].style.posTop < document.all[layerID][curDropIdx].style.posHeight && document.all[layerID][curDropIdx].style.posTop > document.all[layerID][curDropIdx].style.posHeight * (-1)){
			for(j = 0 ;j < document.all[layerID].length;j++){
				tempIdx = (document.all[layerID].length + curDropIdx - j) %document.all[layerID].length;
				document.all[layerID][tempIdx].style.posTop -= dropDegree;
			}
		}else{
			clearInterval(downLayerId);
			for(j = 0;j<document.all[layerID].length;j++){
				tempIdx = (document.all[layerID].length + curDropIdx - j) % document.all[layerID].length;
				document.all[layerID][tempIdx].style.posTop = (j-1)*(document.all[layerID][tempIdx].style.posHeight);
			}
			curDropIdx = (curDropIdx - 1) ;
			curDropIdx = curDropIdx < 0 ? document.all[layerID].length-1:curDropIdx;
			var temp = 'setInterval("DirectUp()",DirectTerm)';
			doDirect = eval(temp);
		}
	}