/**
 * @author kevot
 */
function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function() {
            if (oldonload) {
                oldonload();
            }
            func();
        }
    }
}
    
function altTextAsTitles() { // assigns value of image alt text as title text for Firefox
    if(document.images) {
        var images = document.getElementsByTagName('img');
        for(var i = 0; i < images.length; i++) {
            if(images[i].alt) {
                images[i].title = images[i].alt;
            }
        }
    }
}