Bug 206864 Error in IE using nested birt tags when reportContainer is IFrame
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/AbstractViewerTag.java
if ( valueObj != null && valueObj instanceof Object[] )
			{
				values = (Object[]) valueObj;
			}
			else
			{
				values = new Object[1];
				values[0] = valueObj;
			}
			for ( int i = 0; i < values.length; i++ )
			{
				
				String paramValue = DataUtil.getDisplayValue( values[i] );
				
				if ( paramValue == null )
				{
					writer
							.write( "<input type = 'hidden' name=\"" + ParameterAccessor.PARAM_ISNULL + "\" \n" ); 
					writer.write( " value=\"" + encParamName + "\">\n" ); 
					continue;
				}
				
				writer
						.write( "<input type = 'hidden' name=\"" + encParamName + "\" \n" ); 
				writer.write( " value=\"" + paramValue + "\">\n" ); 
			}
			
			if ( valueObj != null
					&& param.isLocale( )