Bug 172643 Image in target report cannot display after drill through link.[04]
Description: Image in target report cannot display after drill through link. Build number:2.1.2.v20070202 Steps to reproduce: 1. New a folder inside project "scripting" 2. Copy attached report and image to scripting folder. 3. Preview the report and click the second image. Expected result: Open itself in a new window and display two images. Actual result: The first image cannot display. Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ViewerHTMLActionHandler.java
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 :
			{
				return buildBookmarkAction( actionDefn, context );
			}
			case IAction.ACTION_HYPERLINK :
			{
				return actionDefn.getActionString( );
			}
			case IAction.ACTION_DRILLTHROUGH :
			{
				return buildDrillAction( actionDefn, context );
			}
		}
		return null;
	}
	/*