/**
 * @author Cristiano
 * @classDescription Carrosel em Listas
 */

//***** MOSTRA ELEMENTO DE LISTA ANTERIOR
jQuery.fn.showPrev = function(){
	var jPrev = this.prev();
    if (jPrev.length) {
		this
			.removeClass(actClassName);		
	return jPrev
			.addClass(actClassName);;	 		 
	}
	return this;
	
}

//***** MOSTRA ELEMENTO DE LISTA SEGUINTE
jQuery.fn.showNext = function () {
	var jNext = this.next();    
    if (jNext.length) {
		this
			.removeClass(actClassName)				
	return jNext
			.addClass(actClassName);;	 		 
	}
	return this;
}

jQuery.fn.showFirst = function () {
	var jList = null;
	if (this.is('li'))
		jList = this.parent();
	else if(this.is('ul'))
		jList = this;
	
	this.removeClass(actClassName)
	return jList.find('li:first').addClass(actClassName);
}