function fctRollOver() {
	fctImgRollOver(
		'http://www.uwc-uwc.com/images/'
		,'_f2', '.jpg'
		,'header_navi_top'
		,'header_navi_company'
		,'header_navi_access'
		,'topheader_navi_rental'
		,'header_navi_session'
		,'header_navi_contact'
		,'header_navi_dokuritsu'
		,'header_navi_therapist'
	);
}

function fctImgRollOver(myPath, myImgEleId, myFileExt) {
	var oEle, myId;
	for (var i = 3; i < arguments.length; ++i) {
		myId = arguments[i];
		if (oEle = fctGetElementById(myId)) {
			oEle.myIOU = myPath + myId + myFileExt;
			oEle.myIOO = new Image();
			oEle.myIOO.src = myPath + myId + myImgEleId + myFileExt;
			oEle.onmouseout = fctImgOnMouseout;
			oEle.onmouseover = fctImgOnMouseover;
		}
	}

	function fctImgOnMouseout(e) {
		if (this.myIOU) {
			this.src = this.myIOU;
		}
	}

	function fctImgOnMouseover(e) {
		if (this.myIOO && this.myIOO.complete) {
			this.src = this.myIOO.src;
		}
	}
}

function fctGetElementById(e) {
	if (typeof(e) != 'string') return e;
	if (document.getElementById) e = document.getElementById(e);
	else if (document.all) e = document.all[e];
	else e = null;
	return e;
}