function WebForm_FireDefaultButton(event, target) {
	var element = event.target || event.srcElement;

	if (13 == event.keyCode && !(element && "textarea" == element.tagName.toLowerCase())) {
		var defaultButton;
		defaultButton = document.getElementById(target);
		if (defaultButton) {
			if (typeof (defaultButton.click) != "undefined") {
				defaultButton.click();
			}
			else if (typeof (defaultButton.onclick) != "undefined") {
				defaultButton.onclick(event);
			}
			event.cancelBubble = true;
			if (event.stopPropagation) {
				event.stopPropagation();
			}
			return false;
		}
	}
	return true;
}