function ebcn(c) {
	var ret = [];
	var a = document.getElementsByTagName('*');
	for(var i = 0; i < a.length; i++) {
		if(a[i].className == c) {
			ret[ret.length] = a[i];
		}
	}
	return ret;
}

function init() {
	var els = ebcn('delete');
	for(var i = 0; i < els.length; i++) {
		els[i].onclick = function(e) {
			if(!confirm('Are you sure you want to delete this?')) {
				if(e) {
					e.preventDefault();
					e.stopPropagation();
				} else {
					window.event.returnValue = false;
					window.event.cancelBubble = true;
				}
			}
		}
	}
	var els = ebcn('cancel');
	for(var i = 0; i < els.length; i++) {
		els[i].onclick = function(e) {
			if(!confirm('Are you sure you want to discard your changes?')) {
				if(e) {
					e.preventDefault();
					e.stopPropagation();
				} else {
					window.event.returnValue = false;
					window.event.cancelBubble = true;
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener('load', init, false);
} else if(window.attachEvent) {
	window.attachEvent('onload', init);
} else {
	window.onload = init;
}