/**
 * Copyright (C) 2011 Christian Ernst
 * Date: 22.10.11
 * Time: 22:28
 */

function shortText(text, length) {
    var words = text.split(" ");
    var newText = "";
    for (var i = 0; i < length && i < words.length; i++) {
        newText += words[i] + " ";
    }
    if (length < words.length)
        newText = newText.trim() + " ..."
    return newText;
}

function addHyphen(text) {
    if (text.length > 0)
        return ' - ' + text;
    else
        return '';
}