Element.disposeSelf and Element.destroySelf - removes an element without removing its content

Element.disposeSelf.destroySelf.js

(function(){

var moveContent = function(element){
	var nodes = $A(element.childNodes);
	var parent = element.parentNode;
	for (var i=0, l=nodes.length; i<l; i++){
		parent.insertBefore(nodes[i], element);
	}
};

Element.implement({

	disposeSelf: function(){
		moveContent(this);
		return this.dispose();
	},
  
	destroySelf: function(){
		moveContent(this);
		return this.destroy();
	}

});

})();