Bug 95311 [javadoc wizard] Allow setting of -source 1.5 through UI
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javadocexport/JavadocOptionsManager.java
fNodeprecated= loadBoolean(element.getAttribute(NODEPRECATED));
		fNoDeprecatedlist= loadBoolean(element.getAttribute(NODEPRECATEDLIST));
		fNonavbar= loadBoolean(element.getAttribute(NONAVBAR));
		fNoindex= loadBoolean(element.getAttribute(NOINDEX));
		fNotree= loadBoolean(element.getAttribute(NOTREE));
		fSplitindex= loadBoolean(element.getAttribute(SPLITINDEX));
		
		fJDK14Mode= "1.4".equals(element.getAttribute(SOURCE)); 
	}
	/*
	 * Method creates an absolute path to the project. If the path is already
	 * absolute it returns the path. If it encounters any difficulties in
	 * creating the absolute path, the method returns null.
	 * 
	 * @param path
	 * @return IPath
	 */
	private IPath makeAbsolutePathFromRelative(IPath path) {
		if (!path.isAbsolute()) {
			if (fXmlfile == null) {
				return null;
			}
			IPath basePath= fXmlfile.getParent().getLocation(); 
			if (basePath == null) {
				return null;
			}
			return basePath.append(path);
		}
		return path;
	}