product_stock = [ ];  
  function update_stock_info(PrID,SuID,PrLink)
  {
    var stockUnits = product_stock[PrID];
    var SU = null;
    for(var x = 0; x < stockUnits.length; x++)
    {
      if(SuID == stockUnits[x].SuID)
      {
        // Found 
        var price = document.getElementById('suprice' + PrID);
        var avail = document.getElementById('suavailability' + PrID);
        // var link  = document.getElementById('sulink' + PrID);
        var qty   = document.getElementById('suqty' + PrID);
        var sunotify   = document.getElementById('sunotify' + PrID);
        
        price.innerHTML = '$' + stockUnits[x].SuPrice.toFixed(2);
        avail.innerHTML = (stockUnits[x].SuQuantityInStock == null || stockUnits[x].SuQuantityInStock > 0) ? 'IN STOCK' : 'SOLD OUT';
        
        if(stockUnits[x].SuQuantityInStock == null || stockUnits[x].SuQuantityInStock > 0)
        {
          //link.innerHTML = '<a href="' + PrLink + '?SelectSuID=' + SuID + '">Order Now</a>';
          qty.style.display = '';
          sunotify.style.display = 'none';
        }
        else
        {
          //link.innerHTML = '<a href="' + PrLink + '?SelectSuID=' + SuID + '">Notify when available</a>';
          qty.style.display = 'none';
          sunotify.style.display = '';
        }                
        return;
      }
    }
  }