- add: function(o,c){
- if (jQuery.className.has(o,c)) return;
- o.className += ( o.className ? " " : "" ) + c;
+ add: function( elem, c ){
+ jQuery.each( c.split(/\s+/), function(i, cur){
+ if ( !jQuery.className.has( elem.className, cur ) )
+ elem.className += ( elem.className ? " " : "" ) + cur;
+ });