Corrected indexOf for old browsers
Corrected indexOf for old browsers

indexOf is apparently not available on older browsers (IE), so utilize
the Ext.Array.indexOf function which handles browser compatability
problems for us.

CoNarrative/glujs,murrah/glujs,CoNarrative/glujs,codekoala/glujs,codekoala/glujs,CoNarrative/glujs,murrah/glujs,murrah/glujs,codekoala/glujs,murrah/glujs