// IE専用
function iro(image){
	image.filters["invert"].enabled = false;
}
function inv(image){
	image.filters["invert"].enabled = true;
}
// flash
function getTopFlash() {
	document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="400" height="300" id="top.swf" align="middle">\n');
	document.write('<param name="allowScriptAccess" value="sameDomain">\n');
	document.write('<param name="movie" value="top.swf">\n');
	document.write('<param name="quality" value="high">\n');
	document.write('<param name="bgcolor" value="#000000">\n');
	document.write('<param name="menu" value="true">\n');
	document.write('<embed src="top.swf" quality="high" bgcolor="#000000" width="400" height="300" name="top.swf" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">\n');
	document.write('</object>\n');
}
// マウスオーバー
function changeImg( img, obj ){
	obj.src="./img/menu/" + img + ".png";
}

// 値を返します
function getValue(xKey, xParams){	
	xIdx = xParams.indexOf( xKey + '=', 0 );
	
	if( xIdx == -1 ){
		//alert('対応キー無し:' + xKey );
		return null;
	}
	xSIdx = xIdx + xKey.length + 1;
	xEIdx = xParams.indexOf( '&', xSIdx );
	if( xEIdx == -1 ) {
		xEIdx = xParams.length;
	}

	return xParams.substring( xSIdx, xEIdx );

}

// 履歴で戻る
function back(){
	history.back();
}