//----------------------------------------------------------------
//	Copyright用 西暦表示
//----------------------------------------------------------------

function GetYear() {
 var makeY = 2003	// 制作年を設定
 var myD = new Date();
 if ( myD.getFullYear() == makeY ) {
  document.write(makeY);
 } else {
  document.write(makeY+"-"+myD.getFullYear());
 }
}


//----------------------------------------------------------------
//	ロールオーバーをclass指定
//----------------------------------------------------------------

function ImageRollOver() {
	if (!document.getElementById) return

	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) { 
			if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '2'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);

			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;

			aImages[i].onmouseover = function() {
			sTempSrc = this.getAttribute('src');
			this.setAttribute('src', this.getAttribute('hsrc'));
			} 

			aImages[i].onmouseout = function() {
			if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('2'+ftype, ftype);
			this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = ImageRollOver;

//----------------------------------------------------------------
//	画面サイズを表示
//----------------------------------------------------------------

function sizeinfo(){
		document.write(screen.width + "×" + screen.height + "\n");
}