function ReplaceAll(sString, sReplaceThis, sWithThis) { 
        if (sReplaceThis != "" && sReplaceThis != sWithThis) { 
        var counter = 0; 
        var start = 0; 
        var before = ""; 
        var after = ""; 
        while (counter<sString.length) { 
        start = sString.indexOf(sReplaceThis, counter); 
        if (start == -1) { 
        break; 
        } else { 
        before = sString.substr(0, start); 
        after = sString.substr(start + sReplaceThis.length, sString.length); 
        sString = before + sWithThis + after; 
        counter = before.length + sWithThis.length; 
        } 
        } 
        } 
        return sString; 
        }