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  htmlEncode:function (str){
            var s = "";
            if(str.length == 0) return "";
            s = str.replace(/&/g,"&");
            s = s.replace(/</g,"&lt;");
            s = s.replace(/>/g,"&gt;");
            s = s.replace(/\'/g,"&#39;");
            s = s.replace(/\"/g,"&quot;");
            s = s.replace(/\n\s/g,"&nbsp;\n");
            return s;
        },

        htmlDecode:function (str){
            var s = "";
            if(str.length == 0) return "";
            s = str.replace(/&amp;/g,"&");
            s = s.replace(/&nbsp;/g," ");
            s = s.replace(/&lt;/g,"<");
            s = s.replace(/&gt;/g,">");
            s = s.replace(/&#39;/g,"\'");
            s = s.replace(/&quot;/g,"\"");
            return s;
        },