function init(){
	 $("ul#topnav li").hover(function() { //Hover over event on list item
		 $(this).find("span").fadeIn(200); //Show the subnav
	 }, function() { //on hover out...
		 $(this).find("span").fadeOut(200); //Hide the subnav
	 });
	 
	 transicaoSimples('.youtube','imagens/youtube','_selec','png');
	 transicaoSimples('.facebook','imagens/facebook','_selec','png');
	 transicaoSimples('.orkut','imagens/orkut','_selec','png');
	 transicaoSimples('.netshoes','imagens/clientes/logo-netshoes','_selec','png');
	 transicaoSimples('.seara','imagens/clientes/logo-seara','_selec','png');
	 transicaoSimples('.csu','imagens/clientes/logo-csu','_selec','png');
	 transicaoSimples('.umbro','imagens/clientes/logo-umbro','_selec','png');
}

function CarregaPagTrabalhos(pagina){
   Shadowbox.clearCache();
	 $("#pag").val(pagina);
	 
	 $.post("ajax/ajax_lista_trabalhos.php",{pag: pagina, cat: $("#cat").val(), sub_cat: $("#sub-cat").val()},function(result){
	   $("#listagem").html(result);
		 Shadowbox.setup();
	 });
}

function CarregaPagFotos(pagina){
   Shadowbox.clearCache();
	 $("#pag").val(pagina);
	 
	 $.post("ajax/ajax_lista_galeria.php",{pag: pagina},function(result){
	   $("#listagem").html(result);
		 Shadowbox.setup();
	 });
}

function transicaoSimples(classe,img,imgSelec,ext)
{
	 $(classe).hover( function(){
     $(this).attr("src", img+imgSelec+"."+ext);
   },
   function(){
	   $(this).attr("src", img+"."+ext);
   });
}

$(document).ready(init);