e.srcElement is undefined in firefox?

Question

I am developing a website and now am testing in all browsers, I am currently testing in firefox and have found and error when using event.sourceElement?

What i need

Answer 1

function getTarget(obj) {
    var targ;
    var e=obj;
    if (e.target) targ = e.target;
    else if (e.srcElement) targ = e.srcElement;
    if (targ.nodeType == 3) // defeat Safari bug
        targ = targ.parentNode;
    return targ;
}

Will return the target for all browsers if you pass it e

from:- http://www.quirksmode.org/js/events_properties.html