var nextImage = 6;
window.onload = function() {initImage('fotoPrincipal')}
function initImage(imageId) {
	image = document.getElementById(imageId);
	setOpacity(image, 0);
	image.style.visibility = 'visible';
	fadeIn(imageId,0);
	window.setTimeout("cambiarImagen()", 5000);
}
function setOpacity(obj, opacity) {
	opacity = (opacity == 100)?99.999:opacity;
	obj.style.filter = "alpha(opacity:"+opacity+")";
	obj.style.KHTMLOpacity = opacity/100;
	obj.style.MozOpacity = opacity/100;
	obj.style.opacity = opacity/100;
}
function fadeIn(objId,opacity) {
	if (document.getElementById) {
		obj = document.getElementById(objId);
		if (opacity <= 100) {
			setOpacity(obj, opacity);
			opacity += 10;
			window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 100);
		}
	}
}
function fadeOut(objId,opacity) {
	if (document.getElementById) {
		obj = document.getElementById(objId);
		if (opacity >= 0) {
			setOpacity(obj, opacity);
			opacity -= 10;
			window.setTimeout("fadeOut('"+objId+"',"+opacity+")", 100);
		}
	}
}

function popupit(url)
{
	if (!newwindow.closed && newwindow.location)
	{
		newwindow.location.href = url;
	}
	else
	{
		newwindow=window.open(url,'name','height=550,width=800,scrollbars=yes');
		if (!newwindow.opener) newwindow.opener = self;
	}
	setTimeout('IsPopupBlocker()',2000);
	
}

function cambiarImagen(){
	imageLayer = document.getElementById('imagenPrincipal');
	imageLayer.style.background = "url('imagenes/img_dinamica"+nextImage+".jpg') no-repeat";
	cambiarFondo();
	fadeOut('fotoPrincipal',100);
	nuevaImagen = new Image();
	nextImage -= 1;
	nuevaImagen.src = 'imagenes/img_dinamica'+nextImage+'.jpg';
	nuevaImagen.style.visibility = 'hidden';
	imageLayer.innerHTML = nuevaImagen;
	imageLayer.id = 'fotoPrincipal';
	fadeIn('fotoPrincipal',0);
}






var slideshow_width='261px';
var slideshow_height='191px';
var pause=5000;

var fadeimages=new Array()
fadeimages[0]=["imagenes/img_dinamica5.jpg", "", ""];
fadeimages[1]=["imagenes/img_dinamica7.jpg", "", ""];
fadeimages[2]=["imagenes/img_dinamica2.jpg", "", ""];
fadeimages[3]=["imagenes/img_dinamica3.jpg", "", ""];
fadeimages[4]=["imagenes/img_dinamica4.jpg", "", ""];
fadeimages[5]=["imagenes/img_dinamica6.jpg", "", ""];
fadeimages[6]=["imagenes/img_dinamica8.jpg", "", ""];
fadeimages[7]=["imagenes/img_dinamica1.jpg", "", ""];


var preloadedimages=new Array();
for (p=0;p<fadeimages.length;p++){
	preloadedimages[p]=new Image();
	preloadedimages[p].src=fadeimages[p][0];
}
var curpos=10;
var degree=10;
var curcanvas="canvas0";
var curimageindex=0;
var nextimageindex=1;
function fadepic(){
	if (curpos<100){
		curpos+=10;
		if (tempobj.filters){
			tempobj.filters.alpha.opacity=curpos;
		}else if(tempobj.style.MozOpacity){
			tempobj.style.MozOpacity=curpos/101;
		}else if(tempobj.style.KHTMLOpacity){
			tempobj.style.KHTMLOpacity=curpos/101;
		}else if(tempobj.style.opacity){
			tempobj.style.opacity=curpos/101;
		}
	}else{
		clearInterval(dropslide);
		nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1";
		tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas);
		tempobj.innerHTML=insertimage(nextimageindex);
		nextimageindex=(nextimageindex<fadeimages.length-1)? nextimageindex+1 : 0;
		var tempobj2=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas);
		tempobj2.style.visibility="hidden";
		setTimeout("rotateimage()",pause);
	}
}

function insertimage(i){
	var tempcontainer=fadeimages[i][1]!=""? '<a href="'+fadeimages[i][1]+'" target="'+fadeimages[i][2]+'">' : "";
	tempcontainer+='<img src="'+fadeimages[i][0]+'" border="0" \/>';
	tempcontainer=fadeimages[i][1]!=""? tempcontainer+'</a>' : tempcontainer;
	return tempcontainer;
}
function rotateimage(){
	if (ie4||dom){
		resetit(curcanvas);
		var crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas);
		crossobj.style.zIndex++;
		tempobj.style.visibility="visible";
		var temp='setInterval("fadepic()",50)';
		dropslide=eval(temp);
		curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0";
	}else{
		document.images.defaultslide.src=fadeimages[curimageindex][0];
	}
	curimageindex=(curimageindex<fadeimages.length-1)? curimageindex+1 : 0;
}

function resetit(what){
	curpos=10;
	var crossobj=ie4? eval("document.all."+what) : document.getElementById(what);
	if (crossobj.filters){
		crossobj.filters.alpha.opacity=curpos;
	}else if (crossobj.style.MozOpacity){
		crossobj.style.MozOpacity=curpos/101;
	}else if(crossobj.style.KHTMLOpacity){
		crossobj.style.KHTMLOpacity=curpos/101;
	}else if(tempobj.style.opacity){
		crossobj.style.opacity=curpos/101;
	}
}
function startit(){
	var crossobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas)
	crossobj.innerHTML=insertimage(curimageindex);
	rotateimage();
}
if (ie4||dom){
	window.onload=startit;
}else{
	setInterval("rotateimage()",pause)
}