// Abre ventana
function av (url,nombre,parametros) {
w = window.open(url,nombre,parametros);
}
// Abre ventana centrada
function avc (url,nombre,theWidth,theHeight) {
var theTop=(screen.height/2)-(theHeight/2);
var theLeft=(screen.width/2)-(theWidth/2);
var features="top=" + theTop + ",left=" + theLeft + ",width=" + theWidth + ",height=" + theHeight;
w = window.open(url,nombre,features);
}
// Ventana flotante
function vf (url) {
var theTop=(screen.height/2)-(450/2);
var theLeft=(screen.width/2)-(790/2);
var param = "top=" + (theTop-40) + ",left=" + theLeft + ",width=790,height=450,toolbar=yes,status=yes,scrollbars=yes,resizable=yes";
w = window.open(url,'',param);
}
// Abre ventana con popup tol
function avt(popup,ancho,alto) {
vf('http://www.telefonica.es/tol/');
avc(popup,'',ancho,alto);
}
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 MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);