>_Fixed. Thank you.
>_However, I forced the mathml files to have .html extension names since >_my Firefox Mozilla doesn't like the .xml extension names for files in >_frames. I don't like the idea of forced .html extension. Please provide more specific information (e.g. sample .xml files) of the problem since my Firefox works for the following set of files. File test.xml: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd"> <?xml-stylesheet type="text/css" href="test.css"?> <html xmlns="http://www.w3.org/1999/xhtml" ><head><title></title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <meta name="generator" content="TeX4ht (http://www.cse.ohio-state.edu/~gurari/TeX4ht/mn.html)" /> <meta name="originator" content="TeX4ht (http://www.cse.ohio-state.edu/~gurari/TeX4ht/mn.html)" /> <!-- xhtml,frames,mozilla,html --> <meta name="src" content="test.tex" /> <meta name="date" content="2006-02-03 15:09:00" /> <link rel="stylesheet" type="text/css" href="test.css" /> </head><frameset cols="*,3*" rows="*"> <frame src="test2.xml#tex4ht-toc" name="tex4ht-menu" frameborder="0" /> <frame src="test3.xml#tex4ht-body" name="tex4ht-main" frameborder="0" /> <noframes><body> <a href="test2.xml" id="test2.xml" >table of contents</a> <br /> <a href="test3.xml" id="test3.xml" >text</a></body></noframes></frameset> </html> File test2.xml: <?xml version="1.0" encoding="iso-8859-1" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd" > <?xml-stylesheet type="text/css" href="test.css"?> <html xmlns="http://www.w3.org/1999/xhtml" ><head><title>table of contents</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <meta name="generator" content="TeX4ht (http://www.cse.ohio-state.edu/~gurari/TeX4ht/mn.html)" /> <meta name="originator" content="TeX4ht (http://www.cse.ohio-state.edu/~gurari/TeX4ht/mn.html)" /> <!-- xhtml,frames,mozilla,html --> <meta name="src" content="test.tex" /> <meta name="date" content="2006-02-03 15:09:00" /> <link rel="stylesheet" type="text/css" href="test.css" /> </head><body id="tex4ht-menu"> <a id="tex4ht-toc"></a> <div class="tableofcontents"> <span class="sectionToc">1 <a target="tex4ht-main" href="test3.xml#x3-10001" name="QQ2-3-1">A section</a></span> </div> </body> </html> File test3.xml: <?xml version="1.0" encoding="iso-8859-1" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd" > <?xml-stylesheet type="text/css" href="test.css"?> <html xmlns="http://www.w3.org/1999/xhtml" ><head><title>text</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <meta name="generator" content="TeX4ht (http://www.cse.ohio-state.edu/~gurari/TeX4ht/mn.html)" /> <meta name="originator" content="TeX4ht (http://www.cse.ohio-state.edu/~gurari/TeX4ht/mn.html)" /> <!-- xhtml,frames,mozilla,html --> <meta name="src" content="test.tex" /> <meta name="date" content="2006-02-03 15:09:00" /> <link rel="stylesheet" type="text/css" href="test.css" /> </head><body id="tex4ht-main"> <a id="tex4ht-body"></a> <h3 class="sectionHead"><span class="titlemark">1 </span> <a id="x3-10001"></a>A section</h3> <table width="100%" class="equation"><tr><td> <!--tex4ht:inline--><!--l. 8--><math xmlns="http://www.w3.org/1998/Math/MathML" display="block" > <mstyle id="x3-1001r1" class="label" ></mstyle><!--endlabel--><mn>2</mn> <mo class="MathClass-bin">+</mo> <mn>2</mn> <mo class="MathClass-rel">=</mo> <mn>5</mn> </math> <!--l. 11--><p class="nopar"></p></td><td class="eq-no">(1)</td></tr></table> <!--l. 11--><p class="nopar"> </p> </body> </html> Best wishes, Gabor Braun -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]