Ajax/bootstrap/html/HtmlButtontoolbar.php
public function addGroup() {
		$nb=sizeof($this->elements);
		$bg=new HtmlButtongroups($this->identifier."-buttongroups-".$nb);
		$this->elements []=$bg;
		return $bg;
	}
public function addGroup() {
		$nb=sizeof($this->elements);
		$bg=new HtmlButtongroups($this->identifier."-buttongroups-".$nb);
		$this->elements []=$bg;
		return $bg;
	}
public function addGroup ( ) { $ nb = sizeof ( $ this -> elements ) ; $ bg = new HtmlButtongroups ( $ this -> identifier . "-buttongroups-" . $ nb ) ; $ this -> elements [ ] = $ bg ; return $ bg ; }
Add and return a new buttongroup
@return \Ajax\bootstrap\html\HtmlButtongroups
Add and return a new buttongroup