function verImagen(url, ancho, alto)
{
	ancho += 17;
	alto += 20;
		
	var features = 
		'height=' + alto + ', ' +
		'width=' + ancho + ', ' +
		'fullscreen=0, ' +
		'menubar=0, ' +
		'resizable=no, ' +
		'scrollbars=no, ' +
		'status=no, ' +
		'titlebar=no, ' +
		'toolbar=no';
	var theWindow = window.open('imagenes/' + url, url.replace('.', '_'), features);
	theWindow.focus();
}
	
function verFicha(url)
{
	var features = 
		'width=700, ' +
		'fullscreen=no, ' +
		'menubar=no, ' +
		'resizable=yes, ' +
		'scrollbars=yes, ' +
		'status=no, ' +
		'titlebar=no, ' +
		'toolbar=no';
	var theWindow = window.open('fichasTecnicas/' + url, url.replace('.', '_'), features);
	theWindow.focus();
}