function LatinPop(page, name, w, h, scroll)
	{
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
	win = window.open(page, name, winprops);
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
	}

function chekea_email(juan)
{
	var x = juan.value;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/;
	if (!filter.test(x))
		{
		alert('ERROR !\nEl E-mail: ' + x + ' no es válido.');
		juan.select(); juan.focus();
		return false;
		}
}

function SetFocus() {
  if (document.forms.length > 0) {
    var field = document.forms[0];
    for (i=0; i<field.length; i++) {
      if ( (field.elements[i].type != "image") && 
           (field.elements[i].type != "hidden") && 
           (field.elements[i].type != "reset") && 
           (field.elements[i].type != "submit") ) {

        document.forms[0].elements[i].focus();

        if ( (field.elements[i].type == "text") || 
             (field.elements[i].type == "password") )
          document.forms[0].elements[i].select();
        break;
      }
    }
  }
}

function chekealo(juan){
    var field = juan;
    for (i=0; i<field.length; i++) {
        if ( (field.elements[i].type == "text") || (field.elements[i].type == "password") )
			{
				if(juan.elements[i].value == "")
			   	{
				alert('ERROR !\nSe requiere que llene todos los campos en el formulario para comunicarse.');
				juan.elements[i].focus();
				return false;
				}
			}
      }
    }

	
function abrir( link ) {

if( link == 1 )
	var URL1='iframe.php?mostrar=crear';
if( link == 2 )
	var URL1='iframe.php?mostrar=recuperar';
if( link == 3 )
	var URL1='iframe.php?mostrar=subir';
if( link == 4 )
	var URL1='iframe.php?mostrar=miscompras';
if( link == 5 )
	var URL1='iframe.php?mostrar=miinfo';

    var servidor_remoto = URL1;
	var head = document.getElementsByTagName('head').item(0);
	var old  = document.getElementById('comando');
	if (old) head.removeChild(old);

	script = document.createElement('script');
	script.src = servidor_remoto;
	script.type = 'text/javascript';
	script.defer = true;
	script.id = 'comando';
	void(head.appendChild(script));
}
	
	

	
function accion( URL ) {

    var servidor_remoto = URL;
	var head = document.getElementsByTagName('head').item(0);
	var old  = document.getElementById('comando');
	if (old) head.removeChild(old);

	script = document.createElement('script');
	script.src = servidor_remoto;
	script.type = 'text/javascript';
	script.defer = true;
	script.id = 'comando';
	void(head.appendChild(script));
}
	
	


function cerrar_mensaje(){
	document.getElementById('mensaje').className = 'esconder';
}