// Funciones Basicas de Portada
// por: Jose B. Diaz
// www.mixona.net

function enviarBoletin(){
	var be = document.getElementById("correo");
	var url = '?s=boletin_expreso&correo=';
	if(be.value.indexOf(".") > 2 && be.value.indexOf("@") > 0){
		window.location.href = url + be.value;
	} else {
		be.value='';
		alert('Correo inválido.');
	}
}

function gimg(v){
	var img = document.getElementById("princImg");
	var trayectoria = 'http://maps.wunderground.com/data/images/tropical.gif';
	var infraroja = 'http://www.wunderground.com/data/images/g3_ir.jpg';
	var vapor = 'http://www.ssd.noaa.gov/goes/east/carb/wv-l.jpg';
	var visible = 'http://www.ssd.noaa.gov/goes/east/carb/vis-l.jpg';
	
	if(v==1){
		img.src = infraroja;
	} else if(v==2){
		img.src = trayectoria;
	} else if(v==3){
		img.src = visible;
	} else if(v==4){
		img.src = vapor;
	}
}