Bug 150603 [Linux-WS]Can't open new window from the internal preview tab.
Can't open new window from the internal preview tab on Linux OS. Steps to reproduce: 1. New a report, create a link to drill through a report, target new window. 2. Click "Preview" tab to preview report 3. Click the link Expected result: Open a new window, and load the report. Actural result: No effect.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
{
	/**
	 * Viewer preview max rows limited
	 */
	private int maxRows;
	/**
	 * Report parameters as string map
	 */
	private Map parametersAsString = null;
	/**
	 * Report parameter definitions List
	 */
	private Collection parameterDefList = null;
	/**
	 * Constructor.
	 * 
	 * @param request