--- latex_renderer/lib/latex_renderer_macro.rb	2006-11-06 05:41:02.536259814 +0100
+++ latex_renderer/lib/latex_renderer_macro.rb	2006-11-21 02:36:33.729396231 +0100
@@ -11,7 +11,7 @@
       filename = latex.process
       md5 = latex.md5hash
       # if the processing was successful we just display the rendered image
-      sprintf('<img src="%s" alt="%s" title="%s" />', #<div class="code latex"><pre><code lang="latex">%s</code></pre></div>', 
+      sprintf('<div class="latex" onclick="(a=this.getElementsByTagName(\'img\')[0],(a.style.display==\'inline\')?(a.style.display=\'none\',b=document.createElement(\'div\'),b.appendChild(document.createTextNode(a.getAttribute(\'alt\'))),b.className=\'latexText\',this.appendChild(b)):(a.style.display=\'inline\',this.removeChild(childNodes[1])));"><img src="%s" alt="%s" title="%s" style="display:inline;"/></div>', 
               filename.gsub(/.*?\/images/, '/images'), formula, formula)
     rescue => e
       # if it failed for some reason, we'll display the original content
--- latex_renderer/lib/latex_renderer.rb	2006-11-07 01:29:59.982875022 +0100
+++ latex_renderer/lib/latex_renderer.rb	2006-11-20 22:27:45.975021427 +0100
@@ -157,8 +157,10 @@
       file.write wrapped_formula
     end
     
+    # Change directory to work around the missing --output-directory problem in earlier TeTeX versions
+    FileUtils.cd("#{@temp_dir}")
     # temp dvi file
-    from_latex_to_dpi = run_command("#{@@requisites[:latex]} --output-directory=#{@temp_dir} --interaction=nonstopmode #{@temp[:latex]}", "Conversion from Latex to DPI")
+    from_latex_to_dpi = run_command("#{@@requisites[:latex]} --interaction=nonstopmode #{@temp[:latex]}", "Conversion from Latex to DPI")
     
     #convert dvi to ps using dvips
     from_dpi_to_ps = run_command("#{@@requisites[:dvips]} -E #{@temp[:dvi]} -o #{@temp[:ps]}", "Conversion from DPI to PS")