function MM_swapImgRestore() {
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() {
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_preloadImages() {
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
 if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function carregar(divFoto){
	document.getElementById("imagemAmpliada").style.display = "none";
	var childs = divFoto.childNodes;
	for(i=0; i<childs.length; i++) {
		if(childs[i].className == 'linkZoom') {
			var imagePath = childs[i].title;
			document.getElementById("imagemAmpliada").src = imagePath;
		} else if(childs[i].className == 'descricao') {
			document.getElementById("legenda").innerHTML = childs[i].innerHTML;
		} else if(childs[i].className == 'fonte') {
			
		}
	}
	document.getElementById("imagemAmpliada").style.display = "";
}
function fnScroll(divScroll, widthContainer) {
	var self = this;

	this._setPos = function(x) {
		if (x < this.viewableWidth - this.totalWidth) 
			x = this.viewableWidth - this.totalWidth;
		
		if(x > 0) 
			x = 0;
		
		this._x = x;
		divScroll.style.left = this._x+"px";
	};
	
	this.scrollBy = function (x) {
		this._setPos(this._x + x);
	};
	this.scrollTo = function (x) {
		this._setPos(-x);
	};
	this.stopScroll = function() {
		if (this.scrollTimer) window.clearInterval(this.scrollTimer);
	};
	this.startScroll = function(x) {
		this.stopScroll();
		this.scrollTimer = window.setInterval(
			function(){ self.scrollBy(x); }, 20
		);
	};
	
	this._x = 0;
	this.viewableWidth = widthContainer;
	
	var images = divScroll.getElementsByTagName("img");
	var soma = 0;
	for(var i=0;i<images.length;i++) {
		var img = images[i];
		soma += img.width+4;
	}
	this.totalWidth = soma;
	if(soma > widthContainer) {
		divScroll.style.width = soma+"px";
	}
	
	this.scrollTimer = null;
}
var scroller = null;