PercentPageView as a integer

var previousPageName=s.getPreviousValue(s.pageName,'s_ppn');
_satellite.logger.log('previousPageName pageName s_ppn ' + previousPageName);
var ppv = s.getPercentPageViewed(previousPageName); //get array of data on prev page % viewed
_satellite.logger.log('ppv[0]: ' + ppv[0]);
_satellite.logger.log('ppv[1]: ' + ppv[1] + ' the maximum percentage viewed ');
//if( ppv && typeof ppv=='object' && ppv[0] == previousPageName) { // this is from doku, but does not work
if (ppv && typeof ppv=='object') {
s.linkTrackVars="prop32,prop33";
s.prop32= ppv[1]; //the maximum percentage viewed
s.prop33=previousPageName;
}