Bug 184569 Time parameter format will affact other data item format.[0705]
Description: Time parameter format will affact other data item format. Build number:2.2.0.v20070428 Steps to reproduce: 1. New a report parameter, Time type. 2. Click Change to set format as hh:mm. 3. Drag the parameter to layout. 4. Insert a Data item, datetime type, input expression as "new Date()". 5. Preview and input 8:30 as value Expected result: Display time value and the second line display datetime value. Actual result: Both parameter and data item display time value. Error log:N/A
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
/**
	 * the created report content
	 */
	private IReportContent reportContent;
	/**
	 * the current executed design.
	 */
	private ReportItemDesign design;
	/**
	 * The current content element to be executed or loaded
	 */
	private IContent content;
	
	/**
	 * the current opened result set 
	 */
	private IBaseResultSet[] rsets; 
	/**
	 * A stack of handle objects, with the current one on the top
	 */
	private Stack reportHandles = new Stack( );
	/**
	 * total page
	 */
	private long totalPage;
	/**
	 * current page number
	 */
	private long pageNumber;
	/**