Try indicating that you want each of them opened in new windows by defining a title for each such as '_blank' :
window.open(this.graphicAnalysisResource,'_blank');
and :
window.open(this.graphicAnalysisResource2,'_blank');
Try indicating that you want each of them opened in new windows by defining a title for each such as '_blank' :
window.open(this.graphicAnalysisResource,'_blank');
and :
window.open(this.graphicAnalysisResource2,'_blank');