function showProductRow(ProductId)
{    
	$('#Show_'+ProductId).show();
	$('#Edit_'+ProductId).hide();
}
function editProductRow(ProductId)
{    
	$('#Show_'+ProductId).hide();
	$('#Edit_'+ProductId).show();
}

var downKey=true;             
   function fnTrapKD(btn,event)
     {     
     var el = document.getElementById(btn);      
     if (el!=null){       
         var key = window.event ? event.keyCode : event.which;
         if(key==40 && downKey){ downKey=false;}
         if(key==13 && downKey==false)
         {
            downKey=true;
         }
         else
         if (key == 13 && downKey)             
                if (document.all)
                {
                    window.event.returnValue = null;     
                    event.cancel = true;
                    el.click();
                }
                else                
                el.focus();                              
            }
        
    }