function populate(o) {
  d=document.getElementById('de');
  if(!d){return;}                 
  var mitems=new Array();
  mitems['Select']=[''];
  mitems['ZC']=['Selecionar','Aguajes','Ajo','Avena-Riego','Avena-Temporal','Brocoli','Cacahuate','Calabacita','Cartamo','Cebada-Riego','Cebada-Temporal','Cebolla','Cebollin','Centeno-Temporal','Chicharo','Chile','Cilantro','Coliflor','Col de Bruselas','Colza','Composta', 'Ejote','Eucalipto','Fresa','Frijol Temporal','Frijol Riego','Girasol','Haba','Injertación-Citricos','Lechuga','Lenteja','Maiz','Manzano','Melon','Naranjo','Nopal','Olivo','Okra','Pepino','Papa','Praderas Permanentes','Rabano','Repollo','RyeGrass','Sandia','Sorgo Forrajero','Tomate Piso','Tomate Vara','Tomatillo','Trigo Temporal','Trigo Riego','Vid'];
  mitems['mxl']=['Seleccionar','Acelga','Ajo','Alfalfa','Algodon', 'Algodonero-Plagas','Betabel','Brocoli','Calabacita','Cartamo','Cebada','Cebolla','Cebollin','Chile','Citricos','Col','Coliflor', 'Datil','Durazno','Ejote','Escama-Roja-Citricos','Esparrago','Espinaca','Eucalipto','Girasol','Lechuga','Maiz','Melon','Olivo','Pepino','Rabano','Sandia','Sorgo','Sorgo-Forrajero','Sorgo-Grano','Trigo','Trigo Labranza Minima','Trigo-Proteina','Trigo Surcos', 'Trigo-Surco','Tomate','Tomate-Invernadero','Uva-Pasa','Vid','Zacate Bermuda','Zanahoria'];
  mitems['Drinks']=['Select Item','Milkshake','Soda','Mixed Drink','Juice'];
  mitems['Desserts']=['Select Item','Ice Cream','Fresh Fruit','Pie'];
  mitems['Snacks']=['Select Item','Brownies','Cookies','Potato Chips'];
  d.options.length=0;
  cur=mitems[o.options[o.selectedIndex].value];
  if(!cur){return;}
  d.options.length=cur.length;
  for(var i=0;i<cur.length;i++) {
    d.options[i].text=cur[i];
    d.options[i].value=cur[i];
  }
}