Sniffing for Funcs & Vars

function functionOrVariableIsAvailable(name, type, tries) {
    var iterator = tries || 1;

    if (type === 'function') {
        // if you are using a function
        dependencyAvailable = (typeof name === 'function') ? true : false;
    } else if (type === 'variable') {
        // if you are using a variable
        dependencyAvailable = (typeof name !== 'undefined' && typeof name !== 'function') ? true : false;
    }

    if (dependencyAvailable) {
        return name;
    } else if (iterator <= 10) {
        iterator++;
        setTimeout(function () {
            functionOrVariableIsAvailable(name, type, iterator);
        }, 500);
    }
}