void setGrbit()
	{
		grbit[0] = 0x0;
		if( isLink )
		{
			grbit[0] = (byte) (0x1 | grbit[0]);
		}
		if( isAbsoluteLink )
		{
			grbit[0] = (byte) (0x2 | grbit[0]);
		}
		if( hasDescription )
		{
			grbit[0] = (byte) (0x14 | grbit[0]);
		}
		if( hasTextMark )
		{
			grbit[0] = (byte) (0x8 | grbit[0]);
		}
		if( hasTargetFrame )
		{
			grbit[0] = (byte) (0x80 | grbit[0]);
		}
		if( isUNCPath )
		{
			grbit[0] = (byte) (0x100 | grbit[0]);
		}
		mybytes[28] = grbit[0];
	}