/*
    Shortlinks
    constrains the length of links displayed to a defined length
    written by Chris Heilmann (http://icant.co.uk/)
*/
function shortlinks()
{
    // defines where the link should be cut off, from the right or the middle
    var mode='middle';
    
    // the maximum length of the links (This is the maximum that causes
    // no layout disruption based on 800x600 in IE6)
    var mustlength=60; 
    
    // the string added to or in the middle of the link text after shortening
    var connector='...';
    // the title added to the link, %url% will be replaced with the real link
    var titleadd=' (Full address: %url%)';
    // the links to be shortened
    var contentlinks=document.getElementsByTagName('a');

    // loop over all links
    for(var i=0;i<contentlinks.length;i++)
    {
        // check if the link has an href attribute and content
        if(!contentlinks[i].getAttribute('href') || !contentlinks[i].firstChild){continue;}
        // check if the link starts with http: and that it is longer than the allowed length
        var t=contentlinks[i].firstChild.nodeValue;
        if(/http:/.test(t) && t.length>mustlength)
        {
        // get the text of the link
        // shorten accordingly and add the separator string
            switch(mode){
                case 'middle':
                    var newt=t.substr(0,mustlength/2)+connector+t.substr(t.length-mustlength/2-connector.length,t.length);
                break;
                case 'right':
                    var newt=t.substr(0,mustlength-connector.length)+connector;
                break;
            }
        // set the title, and replace the original link text
            contentlinks[i].title+=titleadd.replace(/%url%/,t);
            contentlinks[i].replaceChild(document.createTextNode(newt),contentlinks[i].firstChild);
        }
    
    }   
}

// start shortlinks when the window is loaded.
document.observe("dom:loaded",shortlinks);