JQuery, Mootools в Joomla 3.0 - Модификации расширений для Joomla

<script type="text/javascript">
function show_payment_form(name) {
var pays = new Array( 'rupay','yandex','egold','paypal','wm' );
var fx = new Array();
for( i=0; i<pays.length; i++ ) {
if( pays[i] != name ) {
fx[i] = new Fx.Style( name, 'opacity' ).set(0);
$(pays[i]).setStyle( 'display', 'none' );
} else {
$(pays[i]).setStyle( 'display', '' );
fx[i] = new Fx.Style( name, 'opacity' ).start(0,1);
}
}
}
</script>

$mainframe=JFactory::getApplication();
$user=JFactory::getUser();
$doc=JFactory::getDocument();
$module=JModuleHelper::getModule('customjbolo');
$mosConfig_absolute_path = JURI::base();
$moduleclass_sfx = $params->get('moduleclass_sfx', JURI::base());
$mosConfig_live_site = JURI::base();
JHtmlBehavior::framework();

// $app = JFactory::getApplication();
$mainframe=JFactory::getApplication();
$mosConfig_absolute_path = JPATH_BASE;
JHtmlBehavior::framework();

<script type="text/javascript">
function show_payment_form(name) {
	var pays = new Array( 'rupay','yandex','egold','paypal','libertyreserve','moneybookers','robox','sms','sms1','mmail','liqpay','smscoin','wm' );
	var fx = new Array();
	for( i=0; i<pays.length; i++ ) {
		if( pays[i] != name ) {
			fx[i] = new Fx.Morph( name, 'opacity' ).set(0);
			$(pays[i]).setStyle( 'display', 'none' );
		} else {
			$(pays[i]).setStyle( 'display', '' );
			fx[i] = new Fx.Morph( name, 'opacity' ).start(0,1);
		}
	}
}
</script>

$mosConfig_absolute_path = JURI::base();
$moduleclass_sfx = $params->get('moduleclass_sfx', JURI::base());
$mosConfig_live_site = JURI::base();

<a rel="nofollow" onclick="show_wm()" href="javascript:void(0);">

<a rel="nofollow" onclick="show_payment_form('wm')"  href="javascript:void(0);">

$$('.showhide').addEvents({
	'click': function(){
		var e = $('example');
		var s = (e.getStyle('display')=='block')? 'none':'block';
		e.setStyle('display',s);
	}
});

function showhide(x) {
   x.style.display=(x.style.display=='none')?'':'none';
}

TypeError: x.style is undefined
	
...yandex','egold','paypal','libertyreserve','moneybookers','robox','sms','sms1','m...

function showhide(x) {
   x.style.display=(x.style.display=='none')?'':'none';
}

getStyles
или
setStyles
var styles = myElement.getStyles(property[, property2[, property3[, ...]]]);