Bug 203204 [Regression] Error occors when preview the attached report design as XLS [1203]
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/ExcelWriter.java
String topLineStyle = style
					.getProperty( StyleConstant.BORDER_TOP_STYLE_PROP );
			String topWeight = style
					.getProperty( StyleConstant.BORDER_TOP_WIDTH_PROP );
			writeBorder( "Top", topLineStyle, topWeight, topColor );
			String leftColor = style
					.getProperty( StyleConstant.BORDER_LEFT_COLOR_PROP );
			String leftLineStyle = style
					.getProperty( StyleConstant.BORDER_LEFT_STYLE_PROP );
			String leftWeight = style
					.getProperty( StyleConstant.BORDER_LEFT_WIDTH_PROP );
			writeBorder( "Left", leftLineStyle, leftWeight, leftColor );
			String rightColor = style
					.getProperty( StyleConstant.BORDER_RIGHT_COLOR_PROP );
			String rightLineStyle = style
					.getProperty( StyleConstant.BORDER_RIGHT_STYLE_PROP );
			String rightWeight = style
					.getProperty( StyleConstant.BORDER_RIGHT_WIDTH_PROP );
			writeBorder( "Right", rightLineStyle, rightWeight, rightColor );
			writer.closeTag( "Borders" );
			String fontName = style
					.getProperty( StyleConstant.FONT_FAMILY_PROP );
			String size = style.getProperty( StyleConstant.FONT_SIZE_PROP );
			String fontStyle = style
					.getProperty( StyleConstant.FONT_STYLE_PROP );
			String fontWeight = style
					.getProperty( StyleConstant.FONT_WEIGHT_PROP );
			String strikeThrough = style
					.getProperty( StyleConstant.TEXT_LINE_THROUGH_PROP );
			String underline = style