/* price on or off */
function priceCheck(){
	if (document.getElementById("check_value").value == 1) {
		document.getElementById("check_img").src = "common/img/login-check-off.gif";
		document.getElementById("check_value").value = 0;
	} else {
		document.getElementById("check_img").src = "common/img/login-check-on.gif";
		document.getElementById("check_value").value = 1;
	}
}