function loadImages() {
	if (document.images) {
		// setando os nomes das imagens das variáveis
		var btnHistoria_on = new Image();
		btnHistoria_on.src = "images/menuHistoriaOver.jpg";
		var btnHistoria_off = new Image();
		btnHistoria_off.src = "images/menuHistoria.jpg";
		var btnEvolucao_on = new Image();
		btnEvolucao_on.src = "images/menuEvolucaoOver.jpg";
		var btnEvolucao_off = new Image();
		btnEvolucao_off.src = "images/menuEvolucao.jpg";
		var btnQueroAjudar_on = new Image();
		btnQueroAjudar_on.src= "images/menuAjudarOver.jpg";
		var btnQueroAjudar_off = new Image();
		btnQueroAjudar_off.src = "images/menuAjudar.jpg";
		var btnFotos_on = new Image();
		btnFotos_on.src = "images/menuFotosOver.jpg";
		var btnFotos_off = new Image();
		btnFotos_off.src = "images/menuFotos.jpg";
		var btnBlog_on = new Image();
		btnBlog_on.src = "images/menuBlogOver.jpg";
		var btnBlog_off = new Image();
		btnBlog_off.src = "images/menuBlog.jpg";
	}
}

function changeImage(image, source) {
	image.src = "images/" + source + ".jpg";
}

function goToBlog() {
	window.open("http://turmadomacarrao.blogspot.com/");
}

function goToAlbum(url, album) {
	window.open(url, album, "height=500 , width=688, scrollbars=no, status=no, menubar=no, location=no, directories=no");
}