function precargarImagenes() {
    MM_preloadImages('img/btn-inicio-sel.png', 'img/btn-inicio-sobre.png', 'img/btn-nosotros-sel.png', 'img/btn-nosotros-sobre.png', 'img/btn-solicitud-sel.png', 'img/btn-solicitud-sobre.png', 'img/btn-tarifas-sel.png', 'img/btn-tarifas-sobre.png', 'img/btn-contacto-sel.png', 'img/btn-contacto-sobre.png', 'img/btn-inicio.png');
}

function seleccionarSolicitud() {
    MM_nbGroup('down', 'menuprincipal', 'solicitud', 'img/btn-solicitud-sel.png', 1);
}

function cargar(destino) {
    var contenedor = top.document.getElementById('contenido');
	contenedor.src = destino;
}

function abrir(destino) {
    window.open(destino, "popup", "width=700,height=600,toolbar=no,location=no,menubar=no,resizable=yes,scrollbars=yes")
}

function cargado() 
{
	var contenedor = document.getElementById('contenido');
    var documento = window.frames['contenido'].document.body;

    contenedor.height = (documento.clientHeight + 10) + 'px';

//    var contenedor = document.getElementById('contenido');
//    var documento = window.frames['contenido'].document.body;

//    var newHeight = documento.clientHeight;
//    if (documento.scrollHeight > newHeight) 
//    {
//        newHeight = documento.scrollHeight;
//    }
//    alert(documento.clientHeight);
//    alert(documento.scrollHeight);
//        
//    contenedor.height = newHeight + 10 + "px";

}

function cargarpopup(destino, Width, Height) {
    win = window.open(destino, '_blank', 'modal=yes,menubar=no,toolbar=no,width=' + Width + ',height=' + Height + ',resizable=yes,scrollbars=yes,status=no,dialog');
    win.moveTo(screen.availWidth / 2 - (Width / 2), screen.availHeight / 2 - (Height / 2));
}

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_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}