--- loncom/html/adm/MathJax/commands	2012/05/24 01:35:55	1.2
+++ loncom/html/adm/MathJax/commands	2013/01/10 05:36:15	1.3
@@ -1,17 +1,24 @@
 currversion=0.0
-if [ -e "$1/VERSION" ]
+mathjaxdir='/home/httpd/html/adm/MathJax'
+if [ -e $mathjaxdir ]
 then
-  currversion=`cat $1/VERSION`
+  if [ -e "$mathjaxdir/VERSION" ]
+  then
+      currversion=`cat $mathjaxdir/VERSION`
+  fi
 fi
 newversion=`cat VERSION`
 comparison=`echo "$newversion > $currversion" | bc`
 if [ $comparison -gt 0 ]
 then
-  rm -rf $1/
-  unzip -q -o -d $1 mathjax-MathJax-v2.0-20-g07669ac.zip
-  mv $1/mathjax-MathJax-07669ac/* $1/.
-  rm -r $1/mathjax-MathJax-07669ac
-  cp VERSION $1/VERSION
-  chown -R www:www $1
-  find $1 -type d -exec chmod u=rwx,go-rwx {} \;
+  if [ -e $mathjaxdir ]
+  then
+    rm -rf $mathjaxdir
+  fi
+  unzip -q -o -d $mathjaxdir mathjax-MathJax-v2.0-20-g07669ac.zip
+  mv $mathjaxdir/mathjax-MathJax-07669ac/* $mathjaxdir/.
+  rm -r $mathjaxdir/mathjax-MathJax-07669ac
+  cp VERSION $mathjaxdir/VERSION
+  chown -R www:www $mathjaxdir
+  find $mathjaxdir -type d -exec chmod u=rwx,go-rwx {} \;
 fi