code: function ( arg, target, pos ) {
  		return element.create( "script", {type: "application/javascript", src: arg}, target || utility.$( "head" )[0], pos );
  	}
docs: Creates a script Element to load an external script
  
  @method script
  @param  {String} arg    URL to script
  @param  {Object} target [Optional] Element to receive the script
  @param  {String} pos    [Optional] Position to create the script at within the target
  @return {Object}        Script