id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
7655	addButton nextSiblingId don't work	datalink		"On
{{{
dialogDefinition.addButton(
{
    type : 'button',
	id : 'mybutton',
	title : 'My Button',
	onClick : function() {
		myFunc();
	}
}, 'ok' );
}}}
or
{{{
dialogDefinition.addButton(
{
    type : 'button',
	id : 'mybutton',
	title : 'My Button',
	onClick : function() {
		myFunc();
	}
}, 'cancel' );
}}}
My Button is allways inserted as last Element, not before 'ok' or 'cancel'."	Bug	confirmed	Normal		General	3.0