int mask= JavaSearchScopeFactory.NO_JRE;
int mask= 0;
	private int getIncludeMask() {		int mask= JavaSearchScopeFactory.NO_JRE;		for (int i= 0; i < fIncludeMasks.length; i++) {			Button button= fIncludeMasks[i];			if (button.getSelection()) {				mask |= getIntData(button);			}		}		return mask;	}