/**
 * global.js
 */

// adds a function to the page onload without overwriting existing onload function
function addOnLoad(f) {
    var currentOnLoad = window.onload;
    if (typeof window.onload != "function") {
        window.onload = f;
    } else {
        window.onload = function() {
            currentOnLoad();
            f();
        }
    }
}