Bug 177694 BIRT date/time type support in viewer
BIRT viewer needs to be changed to support new BIRT data type date/time. Please see attached spec/patch file for details.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/DataUtil.java
* Returns trim string, not null
	 * 
	 * @param str
	 * @return
	 */
	public static String trimString( String str )
	{
		if ( str == null )
			return ""; 
		return str.trim( );
	}
	/**
	 * Trim the end separator
	 * 
	 * @param path
	 * @return
	 */
	public static String trimSepEnd( String path )
	{
		path = trimString( path );
		if ( path.endsWith( File.separator ) )
		{
			path = path.substring( 0, path.length( ) - 1 );
		}
		return path;
	}
	/**
	 * 
	 * Convert parameter to Object
	 *