function UpdateParent($Cascading=false) {
		if ($this->Parent) {
			$this->Parent->ReplaceSrc($this->Txt);
			if ($Cascading) $this->Parent->UpdateParent($Cascading);
		}
	}
function UpdateParent($Cascading=false) {
		if ($this->Parent) {
			$this->Parent->ReplaceSrc($this->Txt);
			if ($Cascading) $this->Parent->UpdateParent($Cascading);
		}
	}
function UpdateParent ( $ Cascading = false ) { if ( $ this -> Parent ) { $ this -> Parent -> ReplaceSrc ( $ this -> Txt ) ; if ( $ Cascading ) $ this -> Parent -> UpdateParent ( $ Cascading ) ; } }
Update the parent object, if any.
Update the parent object if any .