Bug 147676 [regression]Visibility set in the first col will affect the second col
Description: Visibility set in the first col will affect the second col Steps to reproduce: 1. Insert a grid(3*3), insert contents to each cell. 2.Set the first col to hide all in visibility and preview Expected result: Only the first col is hidden. Actual result: The second col is hidden, too. If you set the second col in step2, the third col will disappear.
engine/org.eclipse.birt.report.engine.emitter.html/src/org/eclipse/birt/report/engine/emitter/html/HTMLReportEmitter.java
coding = (String) options
						.get( HTMLRenderOption.URL_ENCODING );
			}
			outputMasterPageContent = htmlOption.getMasterPageContent( );
			IHTMLActionHandler actHandler = htmlOption.getActionHandle( );
			 ac != null )
			{
				actionHandler = actHandler;
			}
			pageFooterFloatFlag = htmlOption.getPageFooterFloatFlag( );
			htmlRtLFlag = htmlOption.getHtmlRtLFlag( );
			includeSelectionHandler = htmlOption.getIncludeSelectionHandle( );
			ouputInstanceIDs = htmlOption.getInstanceIDs( );
		}
		writer = new HTMLWriter( );
	}
	**
	 * @return the <code>Report<code> object.
	 *
	public IReportContent getReport( )
	{
		return report;
	}
	**
	 * Pushes the Boolean indicating whether or not the item is hidden according
	 * to the style
	 * 
	 * @param style
	 *
	public void push( IStyle style )
	{
		stack.push( new Boolean( peek( style ) ) );
	}
	**
	 * Pops the element of the stack
	 * 
	 * @return the boolean indicating whether or not the item is hidden
	 *
	public boolean pop( )
	{
		return ( (Boolean) stack.pop( ) ).booleanValue( );
	}
	**
	 * Peeks the element of stack
	 * 
	 * @param style
	 * @return the boolean indicating whether or not the item is hidden
	 *
	public boolean peek( IStyle style )
	{
		boolean isHidden = false;
		 !stack.empty( ) )
		{
			isHidden = ( (Boolean) stack.peek( ) ).booleanValue( );
		}
		 !isHidden )
		{
			String formats = style.getVisibleFormat( );
			 formats != null
					&& ( formats.indexOf( EngineIRConstants.FORMAT_TYPE_VIEWER ) >= 0 || formats
							.indexOf( BIRTConstants.BIRT_ALL_VALUE ) >= 0 ) )
			{
				isHidden = true;
			}
		}
		return isHidden;
	}
	**
	 * Checks if the current item is hidden
	 * 
	 * @return a boolean value
	 *
	public boolean isHidden( )
	{
		return ( (Boolean) stack.peek( ) ).booleanValue( );
	}
	*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.emitter.IContentEmitter#getOutputFormat()
	 *
	public String getOutputFormat( )
	{
		return OUTPUT_FORMAT_HTML;
	}
	**
	 * Fixes a PNG problem