// ----------------------------------------------------------------------------------------------------------
// trim()
// ----------------------------------------------------------------------------------------------------------
function trim(stringa)
{    
    while (stringa.substring(0,1) == ' ')
    {        
        stringa = stringa.substring(1, stringa.length);    
    }    
    while (stringa.substring(stringa.length-1, stringa.length) == ' ')
    {        
        stringa = stringa.substring(0,stringa.length-1);    
    }    
    return stringa;
}
// ----------------------------------------------------------------------------------------------------------

// ----------------------------------------------------------------------------------------------------------
// right()
// ----------------------------------------------------------------------------------------------------------
function right(str,n)
{
    if (n <= 0)
    {
        return "";
    }
    else
    {
        if (n > String(str).length)
        {
            return str;
        }
        else 
        {
           var iLen = String(str).length;
           return String(str).substring(iLen,iLen - n);
        }
    }
}
// ----------------------------------------------------------------------------------------------------------