/*
 * jQuery Plugin: rotateClass
 * http://github.com/shibu/jquery_plugin/
 * 
 * Copyright (c) 2009, Shibukawa Yoshiki
 * Dual licensed under the MIT licenses.
 *
 * $Date$
 * $Revision$
 */
$.fn.rotateClass=function(){var states=arguments;return this.each(function(){var next_index=-1;var has_null=false;this_elem=$(this);for(var i=0;i<states.length;++i){state=states[i];if(state==null){has_null=true;}else if(this_elem.hasClass(state)){next_index=(i+1) % states.length;this_elem.removeClass(state);}}if(next_index==-1){if(has_null==true){next_index=1;}else{next_index=0;}}next_class=states[next_index];if(next_class !=null){this_elem.addClass(next_class);}});};