var product;

function select_product()
{
  var i, items, opt, pos;

  product = "fmp";

  if(document.getElementById != null)
  {
    items = window.location.search.substring(1).split('&');
    for(i = 0; i < items.length; i++)
    {
      pos = items[i].indexOf('=');
      if(pos > 0)
      {
        if(items[i].substring(0, pos) == "product") product = items[i].substring(pos + 1);
      }
    }

    opt = document.getElementById(product);
    if(opt != null) opt.selected = true;
  }
}