// an array storing all the swf you have
            var swfArray = new Array ();
            //swfArray [0] = "flash/cts_banner_1.swf";
            swfArray [0] = "flash/mc_box.swf";
            swfArray [1] = "flash/cts_catalogue.swf";
            //swfArray [2] = "flash/vantage1.swf";
						//swfArray [3] = "flash/christmas_flash.swf";
						swfArray [2] = "flash/unitel.swf";
						
                  // random select a swf from the array
            var selectedswf = Math.floor (Math.random () * swfArray.length);

            function insert_flash_content ()
            {
                  var elem = document.createElement ("embed");
                  elem.setAttribute ("src", swfArray [selectedswf]);
                  elem.setAttribute ("TYPE" ,"application/x-shockwave-flash");
                  elem.setAttribute ("CLASSID","CLSID:D27CDB6E-AE6D-11cf-96B8-444553540000");
                  elem.setAttribute ("CODEBASE", "http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,22,0");
                  elem.setAttribute ("pluginspage","http://www.macromedia.com/go/getflashplayer");
                  elem.setAttribute ("ID","IncrediFlash");
                  elem.setAttribute ("width", "993");
                  elem.setAttribute ("height", "90");

                  document.getElementById ("flash_content").appendChild (elem);
            }