function commonPreload() {
	/* 2008.07.18 エラー対応のためコメント化
	imgSwap = new Array();
	preloadFlag = false;


	imgSwap["button_01"] = new Image();
	imgSwap["button_01"].src = "/bi_j/shared/img/button_01o.gif";
	imgSwap["button_02"] = new Image();
	imgSwap["button_02"].src = "/bi_j/shared/img/button_02o.gif";


	imgSwap["arrow_02rev2"] = new Image();
	imgSwap["arrow_02rev2"].src = "/bi_j/shared/img/rev2/arrow_02o.gif";

	preloadFlag = true;
	*/
	return true;
}