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_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_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 kusi(a) 
{
        window.open(a,"kusi","top=50,left=50,width=510,height=520, toolbar=0,location=0,directories=0,status=no,menubar=0,resizable=0,scrollbars=no");

 }
 
 function llamaralancla(){
document.location.href = "#form";
}

 function friend(a) 
{
        window.open(a,"friend","top=50,left=50,width=500,height=500, toolbar=0,location=0,directories=0,status=no,menubar=0,resizable=0,scrollbars=no");

 }

 function form(a) 
{
        window.open(a,"friend","top=50,left=50,width=850,height=300, toolbar=0,location=0,directories=0,status=no,menubar=0,resizable=0,scrollbars=no");
}

function emailcheck (emailStr) {

var emailPat=/^(.+)@(.+)$/

var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"

var validChars="\[^\\s" + specialChars + "\]"

var quotedUser="(\"[^\"]*\")"

var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/

var atom=validChars + '+'

var word="(" + atom + "|" + quotedUser + ")"

var userPat=new RegExp("^" + word + "(\\." + word + ")*$")

var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")

var matchArray=emailStr.match(emailPat)

if (matchArray==null) {

        alert("The E-mail address doesn't seem to be correct.  Please check '@' y '.'")

        return false

}

var user=matchArray[1]

var domain=matchArray[2]

if (user.match(userPat)==null) {

    alert("User name missing.")

    return false

}

var IPArray=domain.match(ipDomainPat)

if (IPArray!=null) {

          for (var i=1;i<=4;i++) {

            if (IPArray[i]>255) {

                alert("Not valid IP")

                  return false

            }

    }

    return true

}

var domainArray=domain.match(domainPat)

	if (domainArray==null) {
		alert("The domain name of the address doesn't seem to be correct.")
		return false
	}
	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) {
   		alert("The domain name of the address doesn't seem to be correct.")
 	  	return false
	}

	if (len<2) {
   		var errStr="Domain name missing."
   		alert(errStr)
   		return false
	}
	return true;
}

function revisa(formx)
{
if (formx.email.value != "")  formx.submit();
        else alert("Please enter your E-Mail address.");
}