/* ************************************
Tempo Promotes JavaScript Library
Created By Anthony Mellor
5th November 2007
For more information contact us
at www.climbingturn.co.uk
domains@climbingturn.com
************************************ */


// ensures all links with attribute rel="external" open in a new browser window
// thanks to Gez Lemon :: http://juicystudio.com/
function externalLinks()
{
    var objCurrent, objReplacement;
    if (document.getElementsByTagName)
    {
        var objAnchors = document.getElementsByTagName('a');
       
        for (var iCounter=0; iCounter < objAnchors.length; iCounter++)
        {
            if (objAnchors[iCounter].getAttribute('href') &&objAnchors[iCounter].getAttribute('rel') == 'external')
            {
                objAnchors[iCounter].onclick = function(event){return launchWindow(this, event);}
                objAnchors[iCounter].onkeypress = function(event){return launchWindow(this, event);}
                if (document.replaceChild)
                {
                    objCurrent = objAnchors[iCounter].firstChild;
                    if (objCurrent.nodeType == 3) // Text node
                    {
                        objReplacement = document.createTextNode(objCurrent.data + ' (opens in a new window)');
                        objAnchors[iCounter].replaceChild(objReplacement, objCurrent);
                    }
                    else if (objCurrent.alt) // Current element is an image
                    {
                        objReplacement = objCurrent;
                        objReplacement.alt = objCurrent.alt + ' (opens in a new window)';
                        try
                        {
                            objAnchors[iCounter].replaceChild(objReplacement, objCurrent);
                        }
                        catch(e){}
                    }
                }
            }
        }
    }
}

function launchWindow(objAnchor, objEvent)
{
    var iKeyCode;
    if (objEvent && objEvent.type == 'keypress')
    {
        if (objEvent.keyCode)
            iKeyCode = objEvent.keyCode;
        else if (objEvent.which)
            iKeyCode = objEvent.which;
        if (iKeyCode != 13 && iKeyCode != 32)
            return true;
    }
    return !window.open(objAnchor);
}