function change(id, newId) {
	document.getElementById(id).id=newId;
}

function detectTab() {
	if (location.href.indexOf("/cgi-bin/photo/index.cgi?mode=view&album=/fotos") >= 0) {
		change ('fotos', 'activetab');
	} else if (location.href.indexOf("/cgi-bin/photo/index.cgi?album=/fotos") >= 0) {
		change ('fotos', 'activetab');
	} else if (location.href.indexOf("/cgi-bin/photo/index2.cgi?mode=view&album=/screenshots") >=0 ) {
		change('screenshots', 'activetab');
	} else if (location.href.indexOf("/cgi-bin/photo/index.cgi?mode=view&album=/screenshots") >=0 ) {
		change('screenshots', 'activetab');
	} else if (location.href.indexOf("/cgi-bin/photo/index.cgi") >=0 ) {
		change('files', 'activetab');
	} else if (location.href.indexOf("/quien-soy/") >=0 ) {
		change('quien soy', 'activetab');
	} else if (location.href.indexOf("/space-invaders/") >=0 ) {
		change('invaders', 'activetab');
	} else if (location.href.indexOf("/projects/") >=0 ) {
		change('projects', 'activetab');
	} else {
		change('home', 'activetab');
	}
}