function generate_previous (pm, py) {
	document.getElementById('calendar').innerHTML='Loading calendar ...<br><img src="http://www.cbprowest.com/images/wait.gif" alt="wait loading">';
	document.getElementById('seo_month').value=pm;
	document.getElementById('seo_year').value=py;
	xmlHttp('http://www.cbprowest.com/get.calendar.php','calendar','post',{form:'seo_get_calendar'});
}
function generate_next (pm, py) {
	document.getElementById('calendar').innerHTML='Loading calendar ...<br><img src="http://www.cbprowest.com/images/wait.gif" alt="wait loading">';
	document.getElementById('seo_month').value=pm;
	document.getElementById('seo_year').value=py;
	xmlHttp('http://www.cbprowest.com/get.calendar.php','calendar','post',{form:'seo_get_calendar'});
}