function initImage(Id) {
	imageId = 'thephoto'+Id;
	image = document.getElementById(imageId);
	setOpacity(image, 0);
	image.style.visibility = "visible";
	fadeIn(imageId,0);
	if (Id<11){
		Id=Id+1;
		window.setTimeout('initImage('+Id+')',600);
	}
}
function showImage(Id) {
	imageId = 'thephoto'+Id;
	image = document.getElementById(imageId);
	image.style.visibility = "visible";
	if (Id<11){
		Id=Id+1;
		window.setTimeout('showImage('+Id+')',0);
	}
}
function fadeIn(objId,opacity) {
	if (document.getElementById) {
		obj = document.getElementById(objId);
		if (opacity <= 100) {
			setOpacity(obj, opacity);
			opacity += 5;
			window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 100);
		}
	}
}
function setOpacity(obj, opacity) {
	opacity = (opacity == 100)?99.999:opacity;
	// IE/Win
	obj.style.filter = "alpha(opacity:"+opacity+")";
	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = opacity/100;
	// Older Mozilla and Firefox
	obj.style.MozOpacity = opacity/100;
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = opacity/100;
}
function random_imglink(foto,number){
		document.write('<img src="./imagen/intro/'+foto+'_'+number+'.jpg" alt="'+mytags[ry]+'" />');
}

window.onload = function() {
	passval=0;
	url = location.href; 
	val = url.indexOf("?"); 
	val = url.substring(val+1,url.length); 
	datos = new Array(); 
	datos = val.split("&");
	for (x=0;x<datos.length;x++){ 
		if(datos[x]=="intro=1") {
			passval=1;
		} 
	}
	if (passval==0){
		initImage(0);
	}else{
		showImage(0);
	}
}
var myimages=new Array();
myimages[1]="zumo";
myimages[2]="escalera";
myimages[3]="lavega";
myimages[4]="fundicion";

var mytags=new Array();
mytags[1]="Imagén de Neuras3d.";
mytags[2]="La Escalera.";
mytags[3]="La Vega.";
mytags[4]="La Fundición.";

var ry=(Math.floor(Math.random()*(myimages.length-1)))+1;
var foto=myimages[ry];