//------------------------------------------------
//
//   JavaScript Document
//
//------------------------------------------------

//------------------------------------------------
//   ロールオーバー<input name="image" type="image" id="srchBtn" value="検索" src="/img/common/Search_off.gif" />
//------------------------------------------------
function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}
if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}

//------------------------------------------------
//   フォーム　フォーカス
//------------------------------------------------
//form.style.backgrounColor
function onF(my) {
	my.style.backgroundColor='#EBF4FF';
	} 
function onB(my) {
	my.style.backgroundColor='#FFFFFF';
}
var scrj = 1;
function softScrollBack() {
   if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat") {
      var scdist = document.body.parentNode.scrollTop;
   } else {
      var scdist = document.body.scrollTop;
   }
   if(scrj<50 && scdist) {
      scdist = (scdist>2) ? Math.ceil(scdist*.2) : 1;
      scrj++;
      scrollBy(0,-scdist);
      setTimeout("softScrollBack()",30);
   } else {
      scrollTo(0,0);
      scrj = 1;
   }
}


ck_suu=13; //チェックボックスの数です。
function chg(){
v=0;
for (i=0; i<ck_suu; i++){
if (document.myFORM.elements[i].checked){v++;
}
}
msg ="チェックの数は 13個中" + v + "個です。";
document.myFORM.tBox.value = msg;
}
//------------------------------------------------
//　ページTOPへ戻る
//------------------------------------------------
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);
  }
}