JsonToString

jsonToString: 

function jsonToString(obj){
  var THIS = this; 
  switch(typeof(obj)){
    case 'string': return '"' + obj.replace(/(["\\])/g, '\\$1') + '"';
    case 'array': return '[' + obj.map(THIS.jsonToString).join(',') + ']';
    case 'object':
      if(obj instanceof Array){
        var strArr = [];
        var len = obj.length;
        for(var i=0; i<len; i++){
         strArr.push(THIS.jsonToString(obj[i]));
        }
        return '[' + strArr.join(',') + ']';
     }else if(obj==null){
       return 'null';

     }else{
       var string = [];
       for (var property in obj) 
         string.push(THIS.jsonToString(property) + ':' 
            + THIS.jsonToString(obj[property]));
       return '{' + string.join(',') + '}';
     }
   case 'number': return obj;
   case false: return obj;
   }
}