/*
	Copyright (c) 2004-2016, The JS Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/

//>>built
define("dojo/dom-class",["./_base/lang","./_base/array","./dom"],function(_1,_2,_3){var _4="className";var _5,_6=/\s+/,a1=[""];function _7(s){if(typeof s=="string"||s instanceof String){if(s&&!_6.test(s)){a1[0]=s;return a1;}var a=s.split(_6);if(a.length&&!a[0]){a.shift();}if(a.length&&!a[a.length-1]){a.pop();}return a;}if(!s){return [];}return _2.filter(s,function(x){return x;});};var _8={};_5={contains:function containsClass(_9,_a){return ((" "+_3.byId(_9)[_4]+" ").indexOf(" "+_a+" ")>=0);},add:function addClass(_b,_c){_b=_3.byId(_b);_c=_7(_c);var _d=_b[_4],_e;_d=_d?" "+_d+" ":" ";_e=_d.length;for(var i=0,_f=_c.length,c;i<_f;++i){c=_c[i];if(c&&_d.indexOf(" "+c+" ")<0){_d+=c+" ";}}if(_e<_d.length){_b[_4]=_d.substr(1,_d.length-2);}},remove:function removeClass(_10,_11){_10=_3.byId(_10);var cls;if(_11!==undefined){_11=_7(_11);cls=" "+_10[_4]+" ";for(var i=0,len=_11.length;i<len;++i){cls=cls.replace(" "+_11[i]+" "," ");}cls=_1.trim(cls);}else{cls="";}if(_10[_4]!=cls){_10[_4]=cls;}},replace:function replaceClass(_12,_13,_14){_12=_3.byId(_12);_8[_4]=_12[_4];_5.remove(_8,_14);_5.add(_8,_13);if(_12[_4]!==_8[_4]){_12[_4]=_8[_4];}},toggle:function toggleClass(_15,_16,_17){_15=_3.byId(_15);if(_17===undefined){_16=_7(_16);for(var i=0,len=_16.length,c;i<len;++i){c=_16[i];_5[_5.contains(_15,c)?"remove":"add"](_15,c);}}else{_5[_17?"add":"remove"](_15,_16);}return _17;}};return _5;});