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
* 
	 * @param script
	 *            script to be executed
	 */
	public void execute( String script )
	{
		if ( script != null )
		{
			evaluate( script );
		}
	}	
	/**
	 * execute the script. Simply evaluate the script, then drop the return
	 * value
	 * 
	 * @param script
	 *            script statement
	 * @param fileName
	 *            file name
	 * @param lineNo
	 *            line no
	 */
	public void execute( String script, String fileName, int lineNo )
	{
		if ( script != null )
		{
			evaluate( script, fileName, lineNo );
		}
	}
	/**