/*You can also place this code in a separate file and link to it like epoch_classes.js*/
	var bas_cal,dp_cal,ms_cal;      
window.onload = function () {
	bas_cal = new Epoch('epoch_basic','flat',document.getElementById('basic_container'));
	dp_cal  = new Epoch('epoch_popup','popup',document.getElementById('popup_container'));
	ms_cal  = new Epoch('epoch_multi','flat',document.getElementById('multi_container'),true);
};