// innerfade animação- troca de imagens 
$(document).ready( function(){ 
	$('#img').innerfade({ 
	speed: 'slow', 
	timeout: 6000,
	type: 'sequence', // ou random para imagens randomicas
	containerheight: ''
	}); 
}); 

(function($) {

    $.fn.innerfade = function(options) {
        return this.each(function() {   
            $.innerfade(this, options);
        });
    };

    $.innerfade = function(container, options) {
        var settings = {
		'animationtype':    'fade',
		'speed':            'slow',
		'type':             'sequence',
		'timeout':          6000,
		'containerheight':  'auto',
		'runningclass':     'innerfade',
		'children':         null
        };
        if (options)
            $.extend(settings, options);
        if (settings.children === null)
            var elements = $(container).children();
        else
            var elements = $(container).children(settings.children);
        if (elements.length > 1) {
            $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);
            for (var i = 0; i < elements.length; i++) {
                $(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute').hide();
            };
            if (settings.type == "sequence") {
                setTimeout(function() {
                    $.innerfade.next(elements, settings, 1, 0);
                }, settings.timeout);
                $(elements[0]).show();
            } else if (settings.type == "random") {
            		var last = Math.floor ( Math.random () * ( elements.length ) );
                setTimeout(function() {
                    do { 
												current = Math.floor ( Math.random ( ) * ( elements.length ) );
										} while (last == current );             
										$.innerfade.next(elements, settings, current, last);
                }, settings.timeout);
                $(elements[last]).show();
						} else if ( settings.type == 'random_start' ) {
								settings.type = 'sequence';
								var current = Math.floor ( Math.random () * ( elements.length ) );
								setTimeout(function(){
									$.innerfade.next(elements, settings, (current + 1) %  elements.length, current);
								}, settings.timeout);
								$(elements[current]).show();
						}	else {
							alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
						}
				}
    };

    $.innerfade.next = function(elements, settings, current, last) {
        if (settings.animationtype == 'slide') {
            $(elements[last]).slideUp(settings.speed);
            $(elements[current]).slideDown(settings.speed);
        } else if (settings.animationtype == 'fade') {
            $(elements[last]).fadeOut(settings.speed);
            $(elements[current]).fadeIn(settings.speed, function() {
							removeFilter($(this)[0]);
						});
        } else
            alert('Innerfade-animationtype must either be \'slide\' or \'fade\'');
        if (settings.type == "sequence") {
            if ((current + 1) < elements.length) {
                current = current + 1;
                last = current - 1;
            } else {
                current = 0;
                last = elements.length - 1;
            }
        } else if (settings.type == "random") {
            last = current;
            while (current == last)
                current = Math.floor(Math.random() * elements.length);
        } else
            alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
        setTimeout((function() {
            $.innerfade.next(elements, settings, current, last);
        }), settings.timeout);
    };

})(jQuery);

// **** remove Opacity-Filter in ie ****
function removeFilter(element) {
	if(element.style.removeAttribute){
		element.style.removeAttribute('filter');
	}
}

// formulário de contato
$(function(){
    $('form input#assunto').focus();
    
    var url = window.location.search.split('=');
    var dado = url[1];
    if(dado == 'ok'){
        $('div#errorMessage').fadeIn('slow').html('<p><strong>MENSAGEM ENVIADA!</strong><br /> Em breve entraremos em contato.</p>');
    }
    var er = new RegExp(/\b[A-Za-z0-9._%-]+@[A-Za-z0-9._%-]+\.[A-Za-z]{2,4}\b/);

    $('form').submit(function(){
        if($('input#assunto').val() == ""){
            $('div#errorMessage').fadeIn('slow').html('<p>O campo <strong>Assunto</strong> deve ser preenchido!</p>');
            $('form input#assunto').focus();
            return false;
        }
        if($('input#nome').val() == ""){
            $('div#errorMessage').fadeIn('slow').html('<p>O campo <strong>Nome</strong> deve ser preenchido!</p>');
            $('form input#nome').focus();
            return false;
        }
        if(!er.test($('input#email').val())){
            $('div#errorMessage').fadeIn('slow').html('<p>Você deve preencher um <strong>E-mail</strong> válido!</p>');
            $('form input#email').focus();
            $('div#errorMessage').addClass('active');
            return false;
        }
        if($('input#telefone').val() == ""){
            $('div#errorMessage').fadeIn('slow').html('<p>O campo <strong>Telefone</strong> deve ser preenchido!</p>');
            $('form input#telefone').focus();
            return false;
        }
        if($('textarea#texto').val() == ""){
            $('div#errorMessage').fadeIn('slow').html('<p>O campo <strong>Texto</strong> deve ser preenchido!</p>');
            $('form textarea#texto').focus();
            return false;
        }
    })
    
    $('input,textarea,div').click(function(){ 
        $('div#errorMessage').fadeOut('fast');
    })
    $('input,textarea').keypress(function(){ 
        $('div#errorMessage').fadeOut('fast');
    })
})

