Bug 312531 Highlight works differently when run SvgInteractivityViewer.java [13]
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGGraphics2D.java
{
		Element element = currentElement;
		if ( deferStrokColor != null )
		{
			
			element = deferStrokColor;
		}
		String style = element.getAttribute( "style" ); 
		if ( style == null )
			style = ""; 
		if ( paint == null )
		{
			if ( color == null )
				return;
			String alpha = alphaToString( color );
			if ( alpha != null )
				style += "fill-opacity:" + alpha + ";"; 
			element.setAttribute( "style", style + "fill:" + serializeToString( color ) + ";stroke:none;" ); 
		}
		else if ( paint instanceof SVGGradientPaint )
		{
				element.setAttribute( "style", style + "fill:url(#" + ( (SVGGradientPaint) paint ).getId( ) + ");stroke:none;fill-opacity:1.0" ); 
		}
		else if ( paint instanceof TexturePaint )
		{
			element.setAttribute( "style", style + "fill:url(#" + getTextureId( (TexturePaint) paint ) + ");stroke:none;fill-opacity:1.0" ); 
		}
		if ( styleClass != null )
			element.setAttribute( "class", styleClass ); 
		if ( id != null )