// JavaScript Document

function validar (form1){

if (!form1.nombre_apell.value.length) {
	alert("Debe Proporcionar Nombre y Apellido"); 
    form1.nombre_apell.focus(); 
    return (false); 
	}


  var checkOK = "0123456789"; 
  var checkStr = form1.telefono.value; 
  var allValid = true; 
  var decPoints = 0; 
  var allNum = ""; 
  
  if (!checkStr.length) { 
    alert("Debe Proporcionar un numero de Telefono"); 
    form1.telefono.focus(); 
    return (false); }
	
  for (i = 0; i < checkStr.length; i++) { 
    var ch = checkStr.charAt(i); 
    for (j = 0; j < checkOK.length; j++) 
      if (ch == checkOK.charAt(j))
        break; 
    if (j == checkOK.length) { 
      allValid = false; 
      break; 
    } 
    allNum += ch; 
  } 
if (!allValid) { 
    alert("Escriba solo numeros en el campo \"Telefono\".");
    form1.telefono.focus(); 
    return (false); 
  }



if ( !emailCheck (form1.email.value) ) {
		form1.email.focus(); 
		return (false);
		}


if (!form1.mensaje.value.length) {
	alert("Olvido redactar su mensaje"); 
    form1.mensaje.focus(); 
    return (false); 
	
	}

} //fin funcion general


function emailCheck (emailStr) {
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	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("La direccion de correo puede ser incorrecta (verifique @ los .'s)");
	return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
	if (user.charCodeAt(i)>127) {
	alert("El nombre de usuario de correo contiene caracteres no validos.");
	return false;
	   }
	}
	for (i=0; i<domain.length; i++) {
	if (domain.charCodeAt(i)>127) {
	alert("El dominio de la direccion de correo contiene caracteres no validos.");
	return false;
	   }
	}
	
	if (user.match(userPat)==null) {
		alert("El nombre de Usuario de correo no es valido. Por favor verifiquelo");
		return false;
	}
	
	/* if the e-mail address is at an IP address (as opposed to a symbolic
	host name) make sure the IP address is valid. */
	
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
			alert("La direccion de correo es invalida. Por favor verifiquela");
			return false;
			}
		}
		return true;
	}
	
	// Domain is symbolic name.  Check if it's valid.
	 
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
	if (domArr[i].search(atomPat)==-1) {
	alert("El domino de la direccion de correo puede no ser valido.");
	return false;
	   }
	}
	
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
	domArr[domArr.length-1].search(knownDomsPat)==-1) {
	alert("La direccion de mail tiene que contener un nombre de dominio conocido o dos letras del " + "pais.");
	return false;
	}
	if (len<2) {
	<!--alert("This address is missing a hostname!"); -->
	return false;
	}
	
	// If we've gotten this far, everything's valid!
	return true;


/// para mostar en  misc


/*
Tabs Menu (mouseover)- By Dynamic Drive
For full source code and more DHTML scripts, visit http://www.dynamicdrive.com
This credit MUST stay intact for use
*/


var submenu=new Array()
//Set submenu contents. Expand as needed. For each content, make sure everything exists on ONE LINE. Otherwise, there will be JS errors.
submenu[0]='<font size="2" face="Verdana"><b><a href="http://www.javascriptkit.com/cutpastejava.shtml">Scripts</a> | <a href="http://www.javascriptkit.com/javaindex.shtml">JS tutorials</a> | <a href="http://www.javascriptkit.com/javatutors/index.shtml">Advanced JS tutorials</a> | <a href="http://www.javascriptkit.com/java/">Applets</a> | <a href="http://www.javascriptkit.com/howto/">Web Tutorials</a></b></font>'
submenu[1]='<font size="2" face="Verdana"><b><a href="http://freewarejava.com/applets/index.shtml">Applets</a> | <a href="http://freewarejava.com/tutorials/index.shtml">Tutorials</a> | <a href="http://freewarejava.com/javasites/index.shtml">Sites and Zines</a> | <a href="http://freewarejava.com/jsp/index.shtml">JSP</a></b></font>'
//Set delay before submenu disappears after mouse moves out of it (in milliseconds)
var delay_hide=500

/////No need to edit beyond here

var menuobj=document.getElementById? document.getElementById("describe") : document.all? document.all.describe : document.layers? document.dep1.document.dep2 : ""

function showit(which){


clear_delayhide()
thecontent=(which==-1)? "" : submenu[which]
if (document.getElementById||document.all)
menuobj.innerHTML=thecontent
else if (document.layers){
menuobj.document.write(thecontent)
menuobj.document.close()
}
}

function resetit(e){
if (document.all&&!menuobj.contains(e.toElement))
delayhide=setTimeout("showit(-1)",delay_hide)
else if (document.getElementById&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhide=setTimeout("showit(-1)",delay_hide)
}

function clear_delayhide(){
if (window.delayhide)
clearTimeout(delayhide)
}

function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}


}


<!--
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 show_videos(){
	document.getElementById('allVideos').style.display='';
}