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];}
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

//

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);
  }
}


//image
if (navigator.userAgent.indexOf('MSIE 6.0') != -1) {
    try { 
        document.execCommand('BackgroundImageCache', false, true);
    } catch(e) {}
}



//labelタグ内の画像クリック可能（ie6ie7）

		window.onload = function (){
			var list = document.getElementsByTagName("label");
			for(var i=0; i<list.length; i++){
				list[i].onclick = function (){
					return clickInput(this);
				};
			}
		}

		function clickInput(label){
			//forの指すidのinputタグがあるか探す
			var e = null;
			try{
				e = document.getElementById(label.htmlFor);
			}
			catch(exception){}
			if(e == null){
				//labelタグ以下のinputタグを探す
				var node;
				for(var i=0; i<label.childNodes.length; i++){
					node = label.childNodes.item(i);
					if(node.nodeName == 'INPUT'){
						e = node;
						break;
					}
				}
			}
			if(e != null){
				//inputタグにクリックされたときと同じ動作をさせる
				switch(e.type){
					case 'checkbox':
						if (typeof(e.onclick) == 'function') e.onclick();
						if (typeof(e.onchange) == 'function') e.onchange();
						if (typeof(e.oncheck) == 'function') e.oncheck();
						e.checked =! e.checked;
						return false;
					case 'radio':
						e.checked = true;
						return false;
					case 'text': case 'password': case 'textarea':
						e.focus();
						return false;
				}
			}
		}