// configuracoes do slideShow
_slideShowTime=5000;
_slideShowLoop=false;


//
_tbSelected=false;
_slideShow=false;
function mostrarFoto(obj){
	if(_tbSelected){
		_tbSelected.parentNode.className="";
	}
	if(typeof(obj)=="string"){
		obj=document[obj];
	}
	obj=obj || document.getElementById("rolagemConteudo").getElementsByTagName("img")[0];
	
	_tbSelected=obj;
	_tbSelected.parentNode.className="select";
	
	window.frames._frameFoto.location=obj.getAttribute("mostrar");
	mudarTexto("", "");
}
function mudarTexto(str, cred){
	try{
		document.getElementById("texto").innerHTML=str;
		document.getElementById("credito").innerHTML=cred;
	}catch(e){}
}
var _f=function(){
	var e=EventObject();
	if(e.target.tagName && e.target.getAttribute("mostrar")){
		toggleSlideShow(false);
		mostrarFoto(e.target);
		e.preventDefault();
		e.stopPropagation();
	}
}
document.addListener("click", _f);


function navegar(dir){
	dir=dir || 1;
	var imgs=document.getElementById("rolagemConteudo").getElementsByTagName("img");
	var n=0;
	for(var i=0; i<imgs.length; i++){
		if(imgs[i]==_tbSelected){
			n=i;
			break;
		}
	}
	n+=dir;
	if(n==imgs.length){
		if(_slideShowLoop){
			n=0;
		}else{
			toggleSlideShow(false);
			return;
		}
	}
	if(n<0){
		if(_slideShowLoop){
			n=imgs.length-1;
		}else{
			toggleSlideShow(false);
			return;
		}
	}
	mostrarFoto(imgs[n]);
}
function toggleSlideShow(f){
	if(f===undefined){
		f=!_slideShow;
	}
	if(_slideShow){
		clearTimeout(_slideShowTimeout);
		_slideShow=false;
	}
	if(f){
		_slideShowTimeout=setTimeout("navegar(1)", _slideShowTime);
		_slideShow=true;
		document.getElementById("imgSlideShow").className="slideoff";
	}else{
		_slideShow=false;
		document.getElementById("imgSlideShow").className="slide";
	}
}
function testSlideShow(){
	if(_slideShow){
		_slideShowTimeout=setTimeout("navegar(1)", _slideShowTime);
	}
}