var titulopordefecto = "La Mansión del Rey - Salón de Fiestas.";
var ventana;
var cont=0;

function link_to_pic(capa,pic) {
document.getElementById(capa).style.backgroundImage="url(images/fotos_home/"+ pic + ".jpg)";
}

function afoto(cual,titulo){
	if(cont==1){ventana.close();ventana=null}
	if(titulo==null){titulo=titulopordefecto}
	ventana=window.open('','ventana','resizable=yes,scrollbars=no')
	ventana.document.write('<html><head><title>' + titulo + '</title></head><body style="overflow:hidden" marginwidth="0" marginheight="0" topmargin="0" bottommargin="0" leftmargin="0" rightmargin="0" scroll="no" onUnload="opener.cont=0"><img src="' + cual + '" onLoad="opener.redimensionar(this.width, this.height)">');
	ventana.document.close();
	cont++;
}
function redimensionar(ancho, alto){
	ventana.resizeTo(ancho+12,alto+28);
	ventana.moveTo((screen.width-ancho)/2,(screen.height-alto)/2); 
}

/// MACROMEDIA
function MM_swapImgRestore() { //v3.0
  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_preloadImages() { //v3.0
  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 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() { //v3.0
  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 start_temp(){
	var tempo = setTimeout(changeImage, 3000);
}

function changeImage(){
	listaDOM = document.getElementById('listaimg').value;
	cantDOM = document.getElementById('cant_img').value;
	lista = listaDOM.split('#', -1);
	img = document.getElementById('roll_img');
	posArray = numAleatorio(0,cantDOM);
	img.src = lista[posArray];
	var tempo = setTimeout(changeImage, 3000);
}

function numAleatorio(inferior,superior){
    numPosibilidades = superior - inferior;
    aleat = Math.random() * numPosibilidades;
    aleat = Math.round(aleat);
    return parseInt(inferior)+aleat;
} 