Bug 201399 Fail to pass parameter with multi-values in drill-through link[0705][04]
Description: Fail to pass parameter with multi-values in drill-through link Build number:2.2.1.v20070828 Steps to reproduce: 1. New a report with a report parameter p1 allowing multi-values. 2. New a second report with a report parameter p2 allowing multi-values 3. In the first report, define a drill-through link and pass p1 to p2. 4. Preview and click the link. Expected result: Values are passed to target report. Actual result: Object display in the second report instead of paramter values. Try attached master/slave report. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ViewerHTMLActionHandler.java
* Constructor. This is for runAndRender task.
	 * 
	 * @param locale
	 * @param isEmbeddable
	 * @param isRtl
	 * @param isMasterPageContent
	 * @param format
	 */
	public ViewerHTMLActionHandler( Locale locale, boolean isRtl,
			boolean isMasterPageContent, String format )
	{
		this.locale = locale;
		this.isRtl = isRtl;
		this.isMasterPageContent = isMasterPageContent;
		this.hostFormat = format;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.api.HTMLActionHandler#getURL(org.eclipse.birt.report.engine.api.IAction,
	 *      org.eclipse.birt.report.engine.api.script.IReportContext)
	 */
	public String getURL( IAction actionDefn, IReportContext context )
	{
		if ( actionDefn == null )
			return null;
		switch ( actionDefn.getType( ) )
		{
			case IAction.ACTION_BOOKMARK :
			{