function slideshow() {
	var url = 'scripts/list-css.php';
	var pars = 'idx=0';
	var myAjax = new Ajax.Updater( {success: 'slideshow'}, url, { method: 'get', parameters: pars, onFailure: reportError }); 
}

function header_slide(slide_id) {
	var url = 'scripts/list-css.php';
	var pars = 'idx=' + slide_id;
	var myAjax = new Ajax.Updater( {success: 'slideshow'}, url, { method: 'get', parameters: pars, onFailure: reportError }); 
	return false;
}

function reportError(request) {
	alert('Unable to load header img');
}