Bug 140754 Can't turn to the right station when use drill-through
Details: Can't turn to the right station when use drill-through Step: 1.New a report design named R1. 2.Add two label. 3.Add page break and set the bookmark as "a" on the second label. 4.New another report design named R2. 5.Add a label in R2 and set the hyperlink to R1-"a". Actual result: Preview R2 and click the hyperlink. I find that it only open R1, but turn to the state of the second label.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/HTMLActionHandler.java
protected void appendFormat( StringBuffer buffer, String format )
	{
		if ( format != null && format.length( ) > 0 )
		{
			buffer.append( "&__format=" + format );
		}
	}
	protected void appendParamter( StringBuffer buffer, String key,
			Object valueObj )
	{
		if ( valueObj != null )
		{
			try
			{
				key = URLEncoder.encode( key, "UTF-8" );
				String value = valueObj.toString( );
				value = URLEncoder.encode( value, "UTF-8" );
				buffer.append( "&" );
				buffer.append( key );
				buffer.append( "=" );
				buffer.append( value );
			}
			catch ( UnsupportedEncodingException e )
			{
				
			}
		}
	}
	protected void appendBookmarkAsParamter( StringBuffer buffer,
			String bookmark )