Bug 173582 Run servlet should not be affected by values in document.[0000]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
{
			try
			{
				iValue = Integer.parseInt( value );
			}
			catch ( NumberFormatException ex )
			{
				iValue = -1;
			}
		}
		return iValue;
	}
	/**
	 * Get named parameters from http request. parameter names and values are
	 * all in iso-8859-1 format in request.
	 * 
	 * @param request
	 *            incoming http request
	 * @param parameterName
	 *            parameter name
	 * @param isUTF
	 *            is parameter in UTF-8 formator not
	 * @return
	 */
	protected static Set getParameterValues( HttpServletRequest request,
			String parameterName, boolean isUTF )
	{
		HashSet parameterValues = null;
		String ISOParameterName = ( isUTF )
				? toISOString( parameterName )