function GetSelectedWindow()
            {
	            var oManager = GetRadWindowManager();
	            return oManager.getActiveWindow();		
            }
            
            function PositionWindow () 
            {
          
	            var oWindow = GetSelectedWindow();	
           	    if (!oWindow) {
           	        return;
           	    }
                
                oWindow.center(); 
            }

            function InitWindow () 
            {
                setTimeout(function()
                {
                    var oWindow = GetRadWindowManager().getActiveWindow();	
	                if (!oWindow) 
	                {
	                    window.setTimeout('InitWindow()', 500);
	                }

               PositionWindow();}, 0);
            }