function Derma_Message( strText, strTitle, strButtonText )

    local Window = vgui.Create( "DFrame" )
        Window:SetTitle( strTitle or "Message" )
        Window:SetDraggable( false )
        Window:ShowCloseButton( false )
        Window:SetBackgroundBlur( true )
        Window:SetDrawOnTop( true )

    local InnerPanel = vgui.Create( "Panel", Window )

    local Text = vgui.Create( "DLabel", InnerPanel )
        Text:SetText( strText or "Message Text" )
        Text:SizeToContents()
        Text:SetContentAlignment( 5 )
        Text:SetTextColor( color_white )

    local ButtonPanel = vgui.Create( "DPanel", Window )
        ButtonPanel:SetTall( 30 )
        ButtonPanel:SetDrawBackground( false )

    local Button = vgui.Create( "DButton", ButtonPanel )
        Button:SetText( strButtonText or "OK" )
        Button:SizeToContents()
        Button:SetTall( 20 )
        Button:SetWide( Button:GetWide() + 20 )
        Button:SetPos( 5, 5 )
        Button.DoClick = function() Window:Close() end