function getidfromeventhandler(e)
{
	var e = e || event;
	var id = false;
	var source = e.srcElement || e.target;
	if (source) id = source.id;
	if (!id) return false;
	alert("The id of the element clicked is "+ id);
}

window.onload = function() {
	var anchors = document.getElementsByTagName('a');
	for (var i=0; i<anchors.length; i++) {
		anchors.item(i).onclick = getidfromeventhandler;
	}
}