function openCalendar(objHTML, formName)
	{
		var newWindow;
		var urlstring = 'calendar_popup.asp?frm=' + formName
		var oForm = eval('document.' + formName);
		oForm.HidFecha.value = objHTML;
			
		newWindow = window.open(urlstring,'Calendario','height=230,width=225,toolbar=no,minimize=no,status=no,memubar=no,location=no,scrollbars=no')
	}