renderContentOn: html
html form: [
html text: 'split d''une histoire.'.
html render: modifStoryPart ; break.
html render: newStoryPart ; break.
html submitButtonWithAction: 
		[nil+5.modifStoryPart checkCustomData 
													ifTrue: 
														[modifStoryPart modifStory.
														modifStoryPart informNextOne]]
]