<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

/* 返回顶部开始 */
var menuTopMargin = -500;
var menuSpeed = 15;
var timerSpeed = 300;
var timer;
var heightLimit = 0;

function checkMenu() {
	if(document.body.offsetHeight > heightLimit) {
		var reTimer = timerSpeed;
		var startPoint = parseInt(document.all.sMenu.style.top,10);
		var endPoint = document.body.scrollTop;
		endPoint = (menuTopMargin <= endPoint ) ? endPoint - menuTopMargin : 0;
		if(startPoint != endPoint) {
			moveAmount = Math.ceil(Math.abs(endPoint - startPoint) / 15);
			document.all.sMenu.style.top = parseInt(document.all.sMenu.style.top,10) + ((endPoint<startPoint) ? -moveAmount : moveAmount);
			reTimer = menuSpeed;
		}
	} else document.all.sMenu.style.top = 0;
	timer = setTimeout("checkMenu();",reTimer);
}

function initMenu() {
	if(document.body.offsetHeight > heightLimit) document.all.sMenu.style.top = document.body.scrollTop;
	checkMenu();
}

document.write('<DIV id=sMenu style="POSITION:absolute;left:755px;z-index:2;"><IMG src="http://rxjh.17game.com/Update_Subject/Update150/images/home_top.gif" border=0 onclick="window.scrollTo(0, 0);" style="cursor:hand"></DIV>');

initMenu();

/* 返回顶部结束*/
//-->