protected GridData createGridData(int hspan) { GridData gd= new GridData();
protected GridData createGridData(int flag, int hspan, int vspan, int indent) { GridData gd= new GridData(flag); gd.horizontalIndent= indent;
	protected GridData createGridData(int hspan) {		GridData gd= new GridData();		gd.horizontalSpan= hspan;		return gd;	}