if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent)){
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}
else{
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      document.write("<link rel='stylesheet' type='text/css' media='all' href='/css/layout_ie6.css' />");
    }
    else{
      document.write("<link rel='stylesheet' type='text/css' media='all' href='/css/layout_ie7.css' />");
    }
  }
  else
  {
    if (/Opera[\/\s](\d+\.\d+)/.test(navigator.userAgent))
    {
      document.write("<link rel='stylesheet' type='text/css' media='all' href='/css/layout_safari.css' />");
    }
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    {
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      {
        document.write("<link rel='stylesheet' type='text/css' media='all' href='/css/layout_safari.css' />");
      }
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}