function flash(movie, ancho, alto)
{
   document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="' + ancho + '" height="' + alto + '">');
   document.write('<param name="movie" value="' + movie + '.swf">');
   document.write('<param name="quality" value="high">');
   document.write('<param name="BGCOLOR" value="#000000">');
   document.write('<param name="title" value="Bienvenidos">');
   document.write('<param name="menu" value="false">');
   document.write('<embed src="' + movie + '.swf" width="' + ancho + '" height="' + alto + '" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" bgcolor="#ffffff" menu="false"></embed></object>');
}