var g_blank_datetime = '0000-00-00 00:00:00'

function init() {

	// init calendar controls
	var form = id('form');
	if(form != undefined) {
		res = getElementsByClassName(form, 'gui_datetime', 'input');
		for (var i = 0; i < res.length; i++) {
			if(res[i].value == g_blank_datetime) {
				res[i].value = '';
			}
			new Epoch('epoch_popup','popup', res[i]);
		}
	}
}

addEvent(window, 'load', init, false);