function addFigure(str) {
var num = new String(str).replace(/,/g, "");
while(num != (num = num.replace(/^(-?\d+)(\d{3})/, "$1,$2")));

pricemae = "通常価格：¥";
priceato = "→";

return pricemae + num + priceato;
}


function addComma(str) {
var num = new String(str).replace(/,/g, "");
while(num != (num = num.replace(/^(-?\d+)(\d{3})/, "$1,$2")));

pricemae = "¥";
priceato = "→";

return pricemae + num + priceato;
}