Bug 155493 [Deploy] Pictures and chart pictures are lost when preview on Weblogic Server using WAR deploy
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
sbHtmlEncoded.append( "&#34;" ); 
					break;
				case '\'' :
					sbHtmlEncoded.append( "&#39;" ); 
					break;
				case '<' :
					sbHtmlEncoded.append( "&#60;" ); 
					break;
				case '>' :
					sbHtmlEncoded.append( "&#62;" ); 
					break;
				case '`' :
					sbHtmlEncoded.append( "&#96;" ); 
					break;
				case '&' :
					sbHtmlEncoded.append( "&#38;" ); 
					break;
				default :
					sbHtmlEncoded.append( c );
			}
		}
		sHtmlEncoded = sbHtmlEncoded.toString( );
		return sHtmlEncoded;
	}
	/**
	 * Initial the parameters class. Web.xml is in UTF-8 format. No need to do
	 * encoding convertion.
	 * 
	 * @param config
	 *            Servlet configuration