Array in Javascript

 function Product(_headerName, _paramName) {
  this.headerName = _headerName;
  this.paramName = _paramName;
 }


 function pop()
 {
    var arrProduct = new Array();
    arrProduct[0] = new Product("Product", "ProductFKID");
    arrProduct[1] = new Product("Opening Stock", "OpeningStock");
    arrProduct[2] = new Product("Stock Received", "StockReceived");
    arrProduct[3] = new Product("Secondary Sale", "SecondarySale");
      arrProduct[4] = new Product("Closing Stock", "ClosingStock");
      arrProduct[5] = new Product("Stock in Transit", "StockinTransit");
      arrProduct[6] = new Product("Damaged Stock", "DamagedStock");

    for(var i = 0 ; i < arrProduct.length; i++)
    {
    alert(arrProduct[i].headerName +'-'+arrProduct[i].paramName);  
    }

  }