function priceculc(form)
{
        cpuprice = document.form_price.cpu.options[document.form_price.cpu.selectedIndex].value;
        memprice = document.form_price.mem.options[document.form_price.mem.selectedIndex].value;
        opitionichi = document.form_price.opichi.options[document.form_price.opichi.selectedIndex].value;
        opitionni = document.form_price.opni.options[document.form_price.opni.selectedIndex].value;
        opitionsan = document.form_price.opsan.options[document.form_price.opsan.selectedIndex].value;
        opitionyon = document.form_price.opyon.options[document.form_price.opyon.selectedIndex].value;
        opitiongo = document.form_price.opgo.options[document.form_price.opgo.selectedIndex].value;
        opitionroku = document.form_price.oproku.options[document.form_price.oproku.selectedIndex].value;
        opitionnana = document.form_price.opnana.options[document.form_price.opnana.selectedIndex].value;

        val = Number(cpuprice) + Number(memprice) + Number(opitionichi) + Number(opitionni) + Number(opitionsan) + Number(opitionyon) + Number(opitiongo) + Number(opitionroku) + Number(opitionnana)  ;
        document.form_price.price.value = val;
        return true;
}