// JavaScript Document
var popup = null;


function popnew(url,ancho,largo){
// kind 0 is for individuals
x = (screen.width/2)-(ancho/2);
y = (screen.height/2)-(largo/2);
popup=window.open(url,"","width="+ancho+",height="+largo+",top="+y+",left="+x+",status=no,location=no,menu=no,scrollbars=no,toolbar=no");
popup.focus();
}

function popkill(url){
opener.location = url;
self.close();
}

function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function closer(){
if (popup != null && popup.open){ 
if(!popup.closed){
popup.window.close();
}
popup = null;
}
}


function redirect(direction){

return window.location = direction;

}


function grande(titulo,nombre,ancho,alto)
{
	var anch=ancho;
	var alt=alto;
	var top = (screen.availHeight/2) - (alt/2);
	var left = (screen.availWidth/2) - (anch/2);
	abrir=window.open('','','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,menubar=no,left='+ left +',top='+ top +',width='+ anch +',height='+ alt);
	abrir.focus();
	abrir.document.writeln("<html><body leftmargin='0' topmargin='0'><img src='"+ nombre +"' width='"+ ancho +"' height='"+ alto +"' alt='"+ titulo +"'></body></html>");
	abrir.document.close();
	abrir.document.title = titulo;
}
   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 expandingWindow(website) {
var windowprops='width=10,height=10,scrollbars=no,status=no,resizable=no'
var heightspeed = 20; // vertical scrolling speed (higher = slower)
var widthspeed = 10;  // horizontal scrolling speed (higher = slower)
var leftdist = 700;    // distance to left edge of window
var topdist = 250;     // distance to top edge of window

if (window.resizeTo&&navigator.userAgent.indexOf("Opera")==-1) {
var winwidth = 350;
var winheight = 400;
var sizer = window.open("","","left=" + leftdist + ",top=" + topdist +","+ windowprops);
for (sizeheight = 1; sizeheight < winheight-100; sizeheight += heightspeed)
sizer.resizeTo("1", sizeheight);
for (sizewidth = 1; sizewidth < winwidth-50; sizewidth += widthspeed)
sizer.resizeTo(sizewidth, sizeheight);
sizer.location = website;
}
else
window.open(website,'mywindow');
}
   
function validatecorreo(theForm)
{

	if (!validRequired(theForm.nombre,"Nombre"))
		return false;

	if (!validEmail(theForm.dir,"E-mail",true))
		return false;

	return true;
}

function validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "")
	{
		alert('Introduzca un valor en el campo "' + fieldLabel +'". ');
		formField.focus();
		result = false;
	}
	
	return result;
}

function validEmail(formField,fieldLabel,required)
{
	var result = true;
	
	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
	{
		alert("Itroduzca una direccion de correo valida en la forma: su_nombre@su_dominio.com");
		formField.focus();
		result = false;
	}
   
  return result;

}

function validatecontacto(theForm)
{

	if (!validRequired(theForm.nombre,"Nombre"))
		return false;

	if (!validEmail(theForm.dir,"E-mail",true))
		return false;
	
	if (!validRequired(theForm.comentario,"Comentario"))
		return false;

	return true;
}

