code: function(el){
  		el.style.MozUserSelect    = 'none';
  		el.style.KhtmlUserSelect  = 'none';
  		el.style.webkitUserSelect = 'none';
  		el.style.msUserSelect     = 'none';
  		el.style.userSelect       = 'none';
  		el.unselectable = "on";
  		return this;
  	}
docs: --------------------------------------------------------------- Elementの生成関連 ---------------------------------------------------------------