// Abre una popup
function openWindow(nombreImg, anchoImg, altoImg, descImg){
	var anchoScreen = screen.width;
	var altoScreen = screen.height;
	var left = (anchoScreen - anchoImg)/2;
	var top = (altoScreen - altoImg)/2;
	var anchoVent = anchoImg+20;
	var altoVent = altoImg+30;
	window.open('popup.php?i='+nombreImg+'&w='+anchoImg+'&h='+altoImg+'&d='+descImg+'', 'Imagen', 'width='+anchoVent+', height='+altoVent+', left='+left+', top='+top+'');
}

function openDemo(flash, anchoImg, altoImg, descImg){
	var anchoScreen = screen.width;
	var altoScreen = screen.height;
	var left = (anchoScreen - anchoImg)/2;
	var top = (altoScreen - altoImg)/2;
	var anchoVent = anchoImg+20;
	var altoVent = altoImg+30;
	window.open('demo414b.php?f='+flash+'&w='+anchoImg+'&h='+altoImg+'&d='+descImg+'', 'Demo', 'width='+anchoVent+', height='+altoVent+', left='+left+', top='+top+'');
}

// Activa / Desactiva el campo de Otros en Recibir información sobre...
function seleccionar_otros(obj){
	var div = document.getElementById('divotros');
	var txt = document.getElementById('otros');
	//alert('aaa: ' + obj.selectedIndex);
	if(obj.selectedIndex == 4){
		div.style.display = 'block';
	} else {
		div.style.display = 'none';
		txt.value = '';
	}
}