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function
 clone(jsonObj) {  
    var
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    if
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        buf = [];  
        var
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        while
 (i--) {  
            buf[i] = clone(jsonObj[i]);  
        }  
        return
 buf;  
    }else
 
if
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instanceof
 Object){  
        buf = {};  
        for
 (
var
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in
 jsonObj) {  
            buf[k] = clone(jsonObj[k]);  
        }  
        return
 buf;  
    }else
{  
        return
 jsonObj;  
    }  



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