function insertFlash() {
var ran_number=Math.floor(Math.random()*4) + 1;
this_movie = 'movie' + ran_number + '.swf';
document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="595" height="110">');
      document.write('<param name="allowScriptAccess" value="sameDomain" />');
      //document.write('<param name="movie" value="../x_flash/movie1.swf" />');
	  document.write('<param name="movie" value="../x_flash/' + this_movie + '" />');
	  document.write('<param name="wmode" value="transparent" />');
      document.write('<param name="quality" value="high" />');
      //document.write('<param name="bgcolor" value="#FFFFFF" />');
	  document.write('<embed wmode="transparent" src="../x_flash/' + this_movie + '" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="595" height="110" />');
document.write('</object>');
}