function copyFieldContent(field1, field2) 
{ 
    var field1_element = document.getElementById(field1);
    var field2_element = document.getElementById(field2);
    if(field1_element != null && field2_element != null)
        field1_element.value = field2_element.value;
}

function showBottomBanner()
{
    var bottomBanner = document.getElementById("bottomBanner");
    if(bottomBanner != null)
        bottomBanner.style.display = "block";
}