/*リンクに貼るもの
<a href="#" onClick="jumpToPageTop();return false;" onKeyPress="jumpToPageTop();return false;"></a>*/



// JavaScript Document
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_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_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];}
}

// --  getScroll --//
function getScrollLeft() { 
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollLeft;
 } else if (window.pageXOffset) {
  return window.pageXOffset;
 } else {
  return 0;
 }
}

function getScrollTop() { 
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollTop;
 } else if (window.pageYOffset) {
  return window.pageYOffset;
 } else {
  return 0;
 }
}

function getScrollWidth() { 
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollWidth;
 } else if (window.innerWidth) {
  return window.innerWidth;
 }
 return 0;
}

function getScrollHeight() { 
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollHeight;
 } else if (window.innerHeight) {
  return window.innerHeight;
 }
 return 0;
}

//-- getInnerSize --//

function getInnerSize() {
 var obj = new Object();

 if (document.all || (document.getElementById && brw.ie)) {
  obj.width = document.body.clientWidth;
  obj.height = document.body.clientHeight;
 } else if (document.layers || (document.getElementById && brw.ns6)) {
  obj.width = window.innerWidth;
  obj.height = window.innerHeight;
 }

 return obj;
}

//-- scroll to Top--//

var pageScrollTimer;
function pageScroll(des_X,des_Y,frms,now_X,now_Y) {
 
 if (!des_X) des_X = 0;
 if (!des_Y) des_Y = 0;
 if (!frms)  frms  = 6;
 if (!now_X) now_X = 0 + getScrollLeft();
 if (!now_Y) now_Y = 0 + getScrollTop();
 
 now_X += (des_X - getScrollLeft()) / frms; if (now_X < 0) now_X = 0;
 now_Y += (des_Y - getScrollTop()) / frms;  if (now_Y < 0) now_Y = 0;
 var posX = Math.floor(now_X);
 var posY = Math.floor(now_Y);
 window.scrollTo(posX, posY);

 if (posX != 0 || posY != 0) {
  pageScrollTimer = setTimeout("pageScroll("+des_X+","+des_Y+","+frms+","+now_X+","+now_Y+")",16);
 }
}

function jumpToPageTop() { 
// if (!MacIE3 && !MacIE4 && !NN && window.scrollTo || NN && (Vminor >= 4.75) && window.scrollTo) {
  pageScroll(0,0,5);
// } else {
//  location.hash = "top";
// }
}