function backToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("backToTop()", 25);
  }
}
function openLyric(arg1){
	url = "http://www.audioleaf.com/song/lyric/" + arg1 + "/";
	window.open(url, "lyric", "width=540, height=460, scrollbars=yes, toolbar=no, menubar=no, location=no, resizable=yes");
}
function openReserve(arg1,arg2){
	url = "http://www.audioleaf.com/ows/form_reserve/" + arg1 + "/" + arg2 + "/";
	window.open(url, "lyric", "width=540, height=460, scrollbars=yes, toolbar=no, menubar=no, location=no, resizable=yes");
}

/* 表示域のY座標を取得 */
function getScrollX(){
	// For Mozilla
	if(window.scrollX) return window.scrollX;
	// For Opera
	if(window.pageXOffset) return window.pageXOffset;
	// For IE
	if(document.documentElement && document.documentElement.scrollLeft){
		// For Over IE 7
		return document.documentElement.scrollLeft;
	}	
	else if(document.body && document.body.scrollLeft){
		// For Under IE 6
		return document.body.scrollLeft;
	}
	return 0;
}
/* 表示域のY座標を取得 */
function getScrollY(){
	// For Mozilla
	if(window.scrollY) return window.scrollY;
	// For Opera
	if(window.pageYOffset) return window.pageYOffset;
	// For IE
	if(document.documentElement && document.documentElement.scrollTop){
		// For Over IE 7
		return document.documentElement.scrollTop;
	}	
	else if(document.body && document.body.scrollTop){
		// For Under IE 6
		return document.body.scrollTop;
	}
	return 0;
}
/* スクロール移動処理 */
function setScrollTo(x,y){
	window.scrollTo(x,y);
}