// HTTP通信用、共通関数
function get_response_text ( req ) {
	var text = req.responseText;
	if ( navigator.appVersion.indexOf( "KHTML" ) > -1 ) {
		var esc = escape( text );
		if ( esc.indexOf("%u") < 0 && esc.indexOf("%") > -1 ) {
			text = decodeURIComponent( esc );
		}
	}
return text;
}
function createXMLHttpRequest(cbFunc)
{
	var XMLhttpObject = null;
	try{
		XMLhttpObject = new XMLHttpRequest();
	}catch(e){
		try{
			XMLhttpObject = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				XMLhttpObject = new ActiveXObject("Microsoft.XMLHTTP");
			}catch(e){
				return null;
			}
		}
	}
	if (XMLhttpObject) XMLhttpObject.onreadystatechange = cbFunc;
	return XMLhttpObject;
}