function upTop() {
  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("upTop()", 25);
  }
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


// tree menu
function tree(myId){
myMenu=document.getElementById(myId).style;
if(myMenu.display=="none"){
myMenu.display="block";
}else{
myMenu.display="none";
}
}

// popUP
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

// close
function good(){                                   
window.close() }




//コピーライト の現在年表示
function copy()
	{
		mydate=new Date();
		Ye=mydate.getFullYear();
		document.write(" "+Ye+" ");
	}