var tds = window.parent.document.getElementsByTagName("td");

function large() {
	window.parent.document.body.style.fontSize = "120%";

	for(var i=0;i<tds.length;i++){
		tds[i].style.fontSize = "120%";
	}
//	for(var i=0;i<tds2.length;i++){
//		tds2[i].style.fontSize = "130%";
//	}
}
function middle() {
	window.parent.document.body.style.fontSize = "10pt";
//	window.parent.up2.document.body.style.fontSize = "10pt";

	for(var i=0;i<tds.length;i++){
		tds[i].style.fontSize = "10pt";
	}
//	for(var i=0;i<tds2.length;i++){
//		tds2[i].style.fontSize = "10pt";
//	}
}
function small() {
	window.parent.document.body.style.fontSize = "60%";
//	window.parent.up2.document.body.style.fontSize = "60%";

	for(var i=0;i<tds.length;i++){
		tds[i].style.fontSize = "60%";
	}
//	for(var i=0;i<tds2.length;i++){
//		tds2[i].style.fontSize = "60%";
//	}
}

function jump() {
	aaa=document.menu
			.submenu.selectedIndex;
	bbb=document.menu.submenu
			.options[aaa].value;
	window.location.href=bbb;
	}


function show() {
	document.getElementById("submenu1")
			.style.visibility="visible";
	}
function shut() {
	document.getElementById("submenu1")
			.style.visibility="hidden";
	}

function show2() {
	document.getElementById("submenu2")
			.style.visibility="visible";
	}
function shut2() {
	document.getElementById("submenu2")
			.style.visibility="hidden";
	}
function show3() {
	document.getElementById("submenu3")
			.style.visibility="visible";
	}
function shut3() {
	document.getElementById("submenu3")
			.style.visibility="hidden";
	}
function show4() {
　　　　document.getElementById("submenu4")
　　　　　　　　　　　　.style.visibility="visible";
　　　　}
function shut4() {
　　　　document.getElementById("submenu4")
　　　　　　　　　　　　.style.visibility="hidden";
　　　　}
function show5() {
　　　　document.getElementById("submenu5")
　　　　　　　　　　　　.style.visibility="visible";
　　　　}
function shut5() {
　　　　document.getElementById("submenu5")
　　　　　　　　　　　　.style.visibility="hidden";
　　　　}

function _HpbImgSwap(imgName, imgSrc)
{
  var appVer=parseInt(navigator.appVersion);
  var isNC=(document.layers && (appVer >= 5));
  var isIE=(document.all    && (appVer >= 5));

　var isDOM1 = (document.getElementById);
　if (isNC || isIE || isDOM1)
  {
    if (document.images)
    {
      var img = document.images[imgName];
      if (!img) img = _HpbImgFind(document, imgName);
      if (img) img.src = imgSrc;
    }
  }
}

function _HpbImgFind(doc, imgName)
{
  for (var i=0; i < doc.layers.length; i++)
  {
    var img = doc.layers[i].document.images[imgName];
    if (!img) img = _HpbImgFind(doc.layers[i], imgName);
    if (img) return img;
  }
  return null;
}

var dtop = "";
// 背景色の変更
function chBgColor() {
 myD = new Date();
 myDMonth = myD.getMonth() + 1;
 //window.alert(myDMonth);
 //春
 if(myDMonth > 3 && myDMonth < 6){
  document.bgColor = "#ffcccc";
  document.img.src="img/imgage2.gif";
  document.img2.src="img/imgage1.gif";
  document.top.src="img/top_2.png";
  dtop = "img/top_2.png";
  document.all("td01").style.backgroundColor="#bc1455";
  document.all("td02").style.backgroundColor="#bc1455";
  document.all("td03").style.backgroundColor="#bc1455";
 }
  //梅雨
 if(myDMonth > 5 && myDMonth < 7){
  document.bgColor = "#cccff";
  document.img.src="img/igmage6.gif";
  document.img2.src="img/igmage5.gif";
  document.top.src="img/ajisai.png";
  dtop = "img/ajisai.png";
  document.all("td01").style.backgroundColor="#330066";
  document.all("td02").style.backgroundColor="#330066";
  document.all("td03").style.backgroundColor="#330066";
 }
 //夏
 if(myDMonth > 6 && myDMonth < 10){
  document.bgColor = "#ccff66";
  document.img.src="img/image25.gif";
  document.img2.src="img/image26.gif";
  document.top.src="img/image1.png";
  dtop = "img/image1.png";
  document.all("td01").style.backgroundColor="#006633";
  document.all("td02").style.backgroundColor="#006633";
  document.all("td03").style.backgroundColor="#006633";
 }
 //秋
 if(myDMonth > 9 && myDMonth < 13){
  document.bgColor = "#ffcc66";
  document.img.src="img/imarge6_2.gif";
  document.img2.src="img/06aki10_2.gif";
  document.top.src="img/top_5.png";
  dtop = "img/top_5.png";
  document.all("td01").style.backgroundColor="#8b1315";
  document.all("td02").style.backgroundColor="#8b1315";
  document.all("td03").style.backgroundColor="#8b1315";
 }
 //冬
 if(myDMonth > 0 && myDMonth < 4){
  document.bgColor = "#99ccff";
  document.img.src="img/igmage4.gif";
  document.img2.src="img/igmage3.gif";
  document.top.src="img/top_4.png";
  dtop = "img/top_4.png";
  document.all("td01").style.backgroundColor="#3375bc";
  document.all("td02").style.backgroundColor="#3375bc";
  document.all("td03").style.backgroundColor="#3375bc";
 }
}