rem: if ( c == null ) this.className = ''; else 
add: this.className = c == null ? '' : 
context: 			return this.each(function(){				if ( c == null )					this.className = '';				else					this.className.replace(						new RegExp('(^|\\s*\\b[^-])'+c+'($|\\b(?=[^-]))', 'g'), '');			});
meta: 2411	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2411/facb2324f9b5db4f4e20f529cb12952daad20aff/jquery.js/clean/jquery/jquery.js