public function setElementsAttr($attr, $value) {
		foreach ($this->getElements() as $element) {
			if ($element instanceof Tag) {
				$element->setAttr($attr, $value);
			}
		}
		
		return $this;
	}
public function setElementsAttr($attr, $value) {
		foreach ($this->getElements() as $element) {
			if ($element instanceof Tag) {
				$element->setAttr($attr, $value);
			}
		}
		
		return $this;
	}
public function setElementsAttr ( $ attr , $ value ) { foreach ( $ this -> getElements ( ) as $ element ) { if ( $ element instanceof Tag ) { $ element -> setAttr ( $ attr , $ value ) ; } } return $ this ; }
Set the attribute for each element

@param  string $attr
@param  string $value
@return MultiElementsAbstract
Set the attribute for each element