/* JSTarget function by Roger Johansson, www.456bereastreet.com */

var JSTarget = {
    init: function(att, val, warning) {
        if (document.getElementById && document.createElement && document.appendChild) {
            var strAtt = ((typeof att == 'undefined') || (att == null)) ? 'class': att;
            var strVal = ((typeof val == 'undefined') || (val == null)) ? 'non-html': val;
            var strWarning = ((typeof warning == 'undefined') || (warning == null)) ? '(opens in a new window)': warning;
            var oWarning;
            var arrLinks = document.getElementsByTagName('a');
            var oLink;
            var oRegExp = new RegExp("(^|\\s)" + strVal + "(\\s|$)");
            for (var i = 0; i < arrLinks.length; i++) {
                oLink = arrLinks[i];
                if ((strAtt == 'class') && (oRegExp.test(oLink.className)) || (oRegExp.test(oLink.getAttribute(strAtt)))) {
                    oWarning = document.createElement("em");
                    oWarning.appendChild(document.createTextNode(strWarning));
                    oLink.appendChild(oWarning);
                    oLink.onclick = JSTarget.openWin;
                }
                oWarning = null;
            }
        }
    },

    openWin: function(e) {
        var event = (!e) ? window.event: e;
        if (event.shiftKey || event.altKey || event.ctrlKey || event.metaKey) return true;
        else {
            var oWin = window.open(this.getAttribute('href'), '_blank');
            if (oWin) {
                if (oWin.focus) oWin.focus();
                return false;
            }
            oWin = null;
            return true;
        }
    },

    /* addEvent function from http://www.quirksmode.org/blog/archives/2005/10/_and_the_winner_1.html */
    addEvent: function(obj, type, fn) {
        if (obj.addEventListener) obj.addEventListener(type, fn, false);
        else if (obj.attachEvent) {
            obj["e" + type + fn] = fn;
            obj[type + fn] = function() {
                obj["e" + type + fn](window.event);
            }
            obj.attachEvent("on" + type, obj[type + fn]);
        }
    }
};

JSTarget.addEvent(window, 'load', function() {
    /* JSTarget.init("rel", "external", " (external website, opens in a new window)"); */
    JSTarget.init("rel", "external", "");
})