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) { //v3.0
  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); 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 ValidaEmail(str) {
  var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
  var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid
  if (!reg1.test(str) && reg2.test(str)) { // if syntax is valid
    return true;
  }
  return false;
}

function flotant(pagina,nombre,ancho,largo,x,y,scr) {
  var Ventana= 'toolbar=0,location=0,directories=0,scrollbars='+scr+',screenX='+x+'px,screenY='+y+'px,menubar=0,resizable=0,width='+ancho+',height='+largo+',status=0';
  open(pagina,nombre,Ventana);
}

function GetNewRequest() {
  try {
    var request = new XMLHttpRequest();
  } catch (trymicrosoft) {
    try {
      var request = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (othermicrosoft) {
      try {
        var request = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (failed) {
        var request = false;
      }
    }
  }

  if (!request) {
    alert("Sistema AJAX no operativo!");
  }
  return request;
}

var activo = 0;


function Toggle(capa) {
  c = document.getElementById(capa);
  if ( c.style.display == 'block' ) {
    c.style.display = 'none';
  } else {
    c.style.display = 'block';
  }
}

function ChangeFoto(id,newsrc) {
  f = document.getElementById(id);
  f.src = newsrc;
}