function show_country_stock()
 {var v_range = document.StockForm.range.value;
  var v_coun = document.StockForm.coun.length-1;
  var j = counname[v_range].length;
  for(var i=0;i<v_coun;i++)
   {document.StockForm.coun.options[0] = null;
   }
  for(var i=0;i<j;i++)
   {document.StockForm.coun.options[i] = new Option(counname[v_range][i],councod[v_range][i]);
    
   }
  return;
 }