diff -up sage-5.10/spkg/build/sage-5.10/sage/interfaces/jmoldata.py.orig sage-5.10/spkg/build/sage-5.10/sage/interfaces/jmoldata.py
--- sage-5.10/spkg/build/sage-5.10/sage/interfaces/jmoldata.py.orig	2012-11-10 12:03:07.742817945 -0200
+++ sage-5.10/spkg/build/sage-5.10/sage/interfaces/jmoldata.py	2012-11-10 12:03:34.499818970 -0200
@@ -86,7 +86,7 @@ class JmolData(SageObject):
             sage_makedirs(jmolscratch)
         scratchout = os.path.join(jmolscratch,"jmolout.txt")
         jout=open(scratchout,'w')
-        testjavapath = os.path.join(SAGE_LOCAL, "share", "jmol", "testjava.sh")
+        testjavapath = os.path.join(SAGE_LOCAL, "bin", "testjava.sh")
         result = subprocess.call([testjavapath],stdout=jout)
         jout.close()
         if (result == 0):
@@ -167,8 +167,6 @@ class JmolData(SageObject):
 
          """
         if (self.is_jvm_available()):
-            # Set up paths, file names and scripts
-            jmolpath = os.path.join(SAGE_LOCAL, "share", "jmol", "JmolData.jar")
             launchscript = ""
             if (datafile_cmd!='script'):
                 launchscript = "load "
@@ -185,7 +183,7 @@ class JmolData(SageObject):
             scratchout = os.path.join(jmolscratch,"jmolout.txt")
             jout=open(scratchout,'w')
             #now call the java application and write the file.
-            result = subprocess.call(["java","-Xmx512m","-Djava.awt.headless=true","-jar",jmolpath,"-iox","-g",sizeStr,"-J",launchscript,"-j",imagescript],stdout=jout)
+            result = subprocess.call(["jmol","-n","-g",sizeStr,"-J",launchscript,"-j",imagescript],stdout=jout)
             jout.close()
         else:
             errStr = "Java Virtual Machine not available.\n"