
function checkforblanks() {
	for (var i=0; i<arguments.length; i+=2) {
		if (!arguments[i]) {
			alert("El campo " + arguments[i+1] + " es obligatorio.");
			return false;
		}
	}
	return true;
}

	function MailLink (usuario, dominio, tld) {
	 //codifica los caracteres mas significativos
	 var arroba = '@'
	 var punto = '.'
	
	 //utiliza variables para ocultar las palabras clave
	 var etiqueta = 'ma' + '' + 'il'
	 var dospuntos = 'to:'
	 var localizador = usuario
	 localizador = localizador + arroba + dominio;
	 localizador = localizador + punto + tld;
	
	 //escribe en enlace
	 document.write('<a href="' + etiqueta + dospuntos + localizador + '">' + localizador + '</a>');
}

// Script Source: CodeLifter.com
// Copyright 2003
// Do not remove this notice.

// SETUPS:
// ===============================

// Set the horizontal and vertical position for the popup

PositionX = 50;
PositionY = 50;

// Set these value approximately 20 pixels greater than the
// size of the largest image to be used (needed for Netscape)

defaultWidth  = 500;
defaultHeight = 500;

// Set autoclose true to have the window close automatically
// Set autoclose false to allow multiple popup windows

var AutoClose = true;

// Do not edit below this line...
// ================================
if (parseInt(navigator.appVersion.charAt(0))>=4){
var isNN=(navigator.appName=="Netscape")?1:0;
var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}
var optNN='scrollbars=no,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
var optIE='scrollbars=no,width=150,height=100,left='+PositionX+',top='+PositionY;

function popImage(imageURL,imageTitle){
if (isNN){imgWin=window.open('about:blank','',optNN);}
if (isIE){imgWin=window.open('about:blank','',optIE);}
with (imgWin.document){
writeln('<html><head><title>Loading...</title><style>body{margin:0px;}</style>');writeln('<sc'+'ript>');
writeln('var isNN,isIE;');writeln('if (parseInt(navigator.appVersion.charAt(0))>=4){');
writeln('isNN=(navigator.appName=="Netscape")?1:0;');writeln('isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}');
writeln('function reSizeToImage(){');writeln('if (isIE){');writeln('window.resizeTo(300,300);');
writeln('width=300-(document.body.clientWidth-document.images[0].width);');
writeln('height=300-(document.body.clientHeight-document.images[0].height);');
writeln('window.resizeTo(width,height);}');writeln('if (isNN){');       
writeln('window.innerWidth=document.images["George"].width;');writeln('window.innerHeight=document.images["George"].height;}}');
writeln('function doTitle(){document.title="'+imageTitle+'";}');writeln('</sc'+'ript>');
if (!AutoClose) writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()">')
else writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()" onblur="self.close()">');
writeln('<img name="George" src='+imageURL+' style="display:block"></body></html>');
close();		
}}
