function verPDF(sURLDestination)
{
			abrirVentana("", sURLDestination, 950, 680,'resizable=yes,location=yes,menubar=yes,scrollbars=yes,status=yes,titlebar=yes,toolbar=yes');
}
// Funcion para abrir una ventana de dimensiones especificadas, centrada en la pantalla
function abrirVentana(nombre, url, ancho, alto, parametros)
{
	if (!parametros)
		parametros = "resizable=no,location=no,menubar=no,scrollbars=yes,status=no,titlebar=no,toolbar=no";

	pantallaAncho = screen.width;
	pantallaAlto = screen.height;
	x = (pantallaAncho / 2) - (ancho / 2);
	y = ((pantallaAlto / 2) - (alto / 2)) - 50;
	ventana = window.open (url, nombre, "width=" + ancho + ",height=" + alto + ",left=" + x + ",top=" + y + "," + parametros);
	return ventana;
}

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) {
	return false
}
var user=matchArray[1]
var domain=matchArray[2]

if (user.match(userPat)==null) {
    return false
}
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
		return false
	    }
    }
    return true
}

var domainArray=domain.match(domainPat)
if (domainArray==null) {
    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) {
   return false
}

if (len<2) {
   var errStr="This address is missing a hostname!"
   return false
}

return true;
}