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 changeFooterInfo(showID){
	var footerInfo = new Array('HeadlineNews','NewEntry','TodaysLive','DailyRanking');
	for(var i in footerInfo){
		document.getElementById('elm' + footerInfo[i]).style.display = "none";
		document.getElementById('menu' + footerInfo[i]).style.backgroundPosition = "left top";
	}
	document.getElementById('elm' + showID).style.display = "block";
	document.getElementById('menu' + showID).style.backgroundPosition = "left -32px";
}
function exeConfirm(exeUrl,exeMess){
	if(window.confirm(exeMess)){
		location.href = exeUrl;
	}
}
function preloadImg(imgs){
	var imgObjArray = new Array();
	for(var i = 0; i < imgs.length; i++){
		var imgObj = new Image();
		imgObj.src = imgs[i];
		imgObjArray.push(imgObj);
	}
}
function openFW(url){
	sX = screen.width;
	sY = screen.height;
	sInit = "top=0,left=0,screenX=0,screenY=0,width="+sX+",height="+sY+",location=yes,memubar=no,status=no,directories=no,toolbar=no,resizable=yes,scrollbars=yes";
	window.open(url,'',sInit);
}