var flsActv =
    '<object classid="clsid:D27CDB6E-AE6D-11CF-96B8-444553540000" id="obj1" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0" border="0" width="780" height="140">'+
      '<param name="allowScriptAccess" value="sameDomain" />'+
      '<param name="movie" value="flash/head.swf" />'+
      '<param name="quality" value="high" />'+
      '<param name="wmode" value="transparent" />'+
      '<param name="bgcolor" value="#ffffff" />'+
      '<embed src="flash/head.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" name="obj1" width="780" height="140">'+
'</object>';

document.write(flsActv);