function write_swf(swf_file, width, height, flashvars){
  html = '<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="'+width+'" height="'+height+'" id="preview" align="middle">';
  if ((typeof(flashvars) != "undefined") && flashvars != '') 
  {
    html += '<PARAM NAME=FlashVars VALUE="'+flashvars+'">';
  }
  html += '   <param name="allowScriptAccess" value="sameDomain" />';
  html += '   <param name="movie" value="'+swf_file+'" /><param name="quality" value="high" /><param name="bgcolor" value="#EDDBC5" />';
  html += '<embed ';
  if ((typeof(flashvars) != "undefined") && flashvars != '') 
  {
    html += 'FlashVars="'+flashvars+'" ';
  }
  html += 'src="'+swf_file+'" quality="high" bgcolor="#EDDBC5" width="'+width+'" height="'+height+'" name="preview" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />';
  html += '</object>';
  document.write(html);
}