function insertRandomChars(strInput)
{
    var strOutput = ""
    var strCharPart = ""
    var lngRandom = 0;
    for (i=0; i<strInput.length; i++){
        strCharPart = strInput.charAt(i);
        if (strCharPart == "*")
        {
            lngRandom = Math.ceil(Math.random() * 10) - 1;
            strOutput = strOutput + lngRandom.toString();
        } 
        else 
        {
            strOutput = strOutput + strCharPart;
        }
    }
    return strOutput; 
}