function buildSelect(x) {
  if (x == "12") { 
    /* set choices 1 and 2 */
    option0 = new Option("  Please Select  ",0)
    option1 = new Option("Value 1",1)
    option2 = new Option("Value 2",2)
    // write them
    document.form1.fieldB.options[0] = option0
    document.form1.fieldB.options[1] = option1
    document.form1.fieldB.options[2] = option2
    return;
    }

  if (x == "34") { 
    /* set choices 3 and 4 */ 
    option0 = new Option("  Please Select  ",0)
    option1 = new Option("Value 3",1)
    option2 = new Option("Value 4",2)
    // write them
    document.form1.fieldB.options[0] = option0
    document.form1.fieldB.options[1] = option1
    document.form1.fieldB.options[2] = option2
    return;
    }

  if (x == "1234") { 
    /* set choices 1,2, 3, and 4 */ 
    option0 = new Option("  Please Select  ",0)
    option1 = new Option("Value 1",1)
    option2 = new Option("Value 2",2)
    option3 = new Option("Value 3",3)
    option4 = new Option("Value 4",4)
    // write them
    document.form1.fieldB.options[0] = option0
    document.form1.fieldB.options[1] = option1
    document.form1.fieldB.options[2] = option2
    document.form1.fieldB.options[3] = option3
    document.form1.fieldB.options[4] = option4
    return;
    }

  if (x == "00") { 
    /* set choices to none */ 
    option0 = new Option("  None  ",0)
    option1 = new Option("",1)
    option2 = new Option("",2)
    option3 = new Option("",3)
    option4 = new Option("",4)
    // write them
    document.form1.fieldB.options[0] = option0
    document.form1.fieldB.options[1] = option1
    document.form1.fieldB.options[2] = option2
    document.form1.fieldB.options[3] = option3
    document.form1.fieldB.options[4] = option4
    return;
    } 
}