document.write("<option value='3'>仕佳产品</option>");
document.write("<option value='4'>单芯光缆</option>");
document.write("<option value='5'>双芯光缆</option>");
document.write("<option value='6'>配线光缆</option>");
document.write("<option value='7'>分支光缆</option>");
document.write("<option value='8'>光纤带光缆</option>");
document.write("<option value='9'>防水光缆</option>");
document.write("<option value='10'>野战光缆</option>");
document.write("<option value='12'>其它</option>");