/* This script and many more are available free online at
The JavaScript Source :: http://javascript.internet.com
Created by: Christian Heilmann :: http://www.icant.co.uk/ */

function populate(o) {
  d=document.getElementById('de');
  if(!d){return;}                 
  var mitems=new Array();
  mitems['Choose']=[''];
  mitems['Molecular']=['Select Item','Enzimas de Restricción','Purificación de DNA','Purificación de Plásmidos','Prawn Salad'];
  mitems['Main Courses']=['Select Item','Mignon','Porterhouse','Flank','T-Bone'];
  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];
  }
}