Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
if ( images == null )
			return;
		
		List names = new ArrayList( );
		for ( int i = 0; i < images.size( ); i++ )
		{
			EmbeddedImage theImage = (EmbeddedImage) images.get( i );
			String name = theImage.getName( );
			assert !names.contains( name );
			names.add( name );
		}
		
		if ( !names.contains( image.getName( ) ) )
			return;
		
		int index = 0;
		String name = image.getName( );
		String baseName = image.getName( );
		while ( names.contains( name ) )
		{
			name = baseName + ++index;
		}
		image.setName( name.trim( ) );
	}
	/**
	 * Checks the element name in name space of this report.
	 * 
	 * <ul>
	 * <li>If the element name is required and duplicate name is found in name
	 * space, rename the element with a new unique name.