function ShowAlert(Message, AlertType)
{
    ShowStaticHeader();
    document.getElementById("_lblMessage").innerHTML = "<div id='PageBusy' class='pagemessage' style='color:green'><div id='_AlertIcon' class='" + AlertType + "'>" + Message + "</div></div>";
    return true;
}
function AllowPostBack()
{
    if(document.getElementById("PageBusy") == null)
        return true;
    else
    {
        alert("The page is currently processing another request.\nPlease wait until it has completed.", "Page Busy");
        return false;
    }
}
function CloseAllPropertyWindows()
{
    CloseSiteMapWindow();
    ClosePropertiesWindow();
    CloseRecycleBinWindow();
    return false;
}
function ClearAlert()
{
    ShowDynamicHeader();
    document.getElementById("_lblMessage").innerHTML = "";
    document.getElementById("_lblMessage").className = "pagemessagehidden";
    return true;
}
function ShowDynamicHeader()
{
    document.getElementById("ucHeader_DynamicHeader").className = "headervisible";
    document.getElementById("ucHeader_StaticHeader").className = "headerhidden";
}
function ShowStaticHeader()
{
    document.getElementById("ucHeader_DynamicHeader").className = "headerhidden";
    document.getElementById("ucHeader_StaticHeader").className = "headervisible";
}
function CheckHeader()
{
    if(document.getElementById("_lblMessage").innerHTML != "")
        ShowStaticHeader();
    else
        ShowDynamicHeader();
}