OverlayMessage = function ( container )
    {
    this.overlay = container;
	//this.overlay.id='overlay';
    //wrapper.appendChild( this.overlay );
    this.visibleStyle = 'position: relative; top: -55%; background-color: ' + OverlayMessage.backgroundColor + '; width: 40%; text-align: center; margin-left: auto; margin-right: auto; padding: 2em; border: 0.08in ridge ' + OverlayMessage.borderColor + '; z-index: 100; opacity: .95; filter: alpha(opacity=95);';
    this.invisibleStyle = 'display: none;';
    this.overlay.style.cssText = this.invisibleStyle;
    };


OverlayMessage.backgroundColor = '#9999cc';
OverlayMessage.borderColor = '#666699';


OverlayMessage.prototype.Set = function ( message )
    {
    this.overlay.innerHTML = message;
    this.overlay.style.cssText = this.visibleStyle;
    };


OverlayMessage.prototype.Clear = function ()
    {
    this.overlay.style.cssText = this.invisibleStyle;
    };


OverlayMessage.SetBackgroundColor = function ( color )
    {
    OverlayMessage.backgroundColor = color;
    };


OverlayMessage.SetBorderColor = function ( color )
    {
    OverlayMessage.borderColor = color;
    };