function doe(){
document.getElementsByTagName('columns')[0].style.display='table-caption';
setTimeout(doe2,20);
}
function doe2(){
document.getElementsByTagName('columns')[0].style.display='-moz-grid';
}
function clickit() {
var button = document.getElementById('button');
var evt = document.createEvent("MouseEvents");
evt.initMouseEvent("click", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
button.dispatchEvent(evt);
setTimeout('clickit();', 20);
}
window.addEventListener('load', clickit, false);
Clicking this should not crash Mozilla