Bug 168305 IsHostPage doesn't work for birt:report tag.[0603]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/ReportTag.java
{
					
					paramObj = getReportService( ).getParameterDefaultValue(
							reportDesignHandle, paramName, this.options );
					params.put( paramName, paramObj );
				}
			}
		}
		return params;
	}
	/**
	 * Create Map containing parameter name and value
	 * 
	 * @return
	 */
	private Map getParameterMap( )
	{
		Map map = new HashMap( );
		Iterator it = viewer.getParameters( ).values( ).iterator( );
		while ( it.hasNext( ) )
		{
			ParameterField field = (ParameterField) it.next( );
			if ( field == null )
				continue;
			map.put( field.getName( ), field.getValue( ) );
		}
		return map;
	}
	/**
	 * parse parameter value by string value