(function($){$.Chain={version:'0.2',tag:['{','}'],services:{},service:function(name,proto)
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var items=this.element.items(true).filter(function(){var data=$(this).item();if(props)
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this.searchText=text;if(typeof properties=='string')
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{this.element.unbind('preupdate',this.sortBinding);this.sortBinding=null;}},$sort:function(name,opt)
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this.sortName=name;if(!this.sortBinding)
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