var pricelist = new Array();

  pricelist["MP-612"]      = "$1382";
  pricelist["AH-612"]      = "$1856";
  pricelist["AH-1212"]     = "$2397";
  pricelist["AH-1014"]     = "$2397";
  pricelist["GPH-2003-P"]  = "$4793";
  pricelist["GPH-2003-H"]  = "$5114";
  pricelist["GPH-2003-B"]  = "$4954";
  pricelist["DPH-2003"]    = "$6640";
  pricelist["EPH-2008"]    = "$4793";
  pricelist["BF"]          = "$1382";
  pricelist["BF-STAND"]    = "$57";
  pricelist["TROLLEY"]     = "$216";
  pricelist["TOWPKG"]      = "$655";
  pricelist["WHEELKIT"]    = "$66";
  pricelist["SALTILLO-01"] = "$45";
  pricelist["SALTILLO-02"] = "$78";
  pricelist["SALTILLO-03"] = "$109";
  pricelist["SALTILLO-10"] = "$343";
  pricelist["EXTMB"]       = "$700";
  pricelist["COREPLATE"]   = "$17";
  pricelist["INSERT"]      = "$31";
  pricelist["FILTBL"]      = "$149";

  function priceof(productid)
  {
    var price = pricelist[productid];
    if (price == "")
    {
      price = "error";
    }
    document.write(price);
  }