// JavaScript Document
var archi=['uno', 'dos'];
var x=10000;
var f = archi[Math.floor(Math.random()*archi.length)];

if (f!='uno'){
	var top = 'TopVerano.gif';
	var lat = 'LatVerano.gif';
}else{
	var top = 'TopInvierno.gif';
	var lat = 'LatInvierno.gif';
}

function imagen1(){
	return ('<a href="index.php"><img src='+'Imagenes/'+top+' width="770" height="100" border="0" /></a>');
}
function imagen2(){
	return ('<a href="index.php"><img src='+'Imagenes/'+lat+' width="154" height="248" border="0" /></a>');
}