function selezionato(objEl){
	objEl.style.backgroundColor = "#fffa68";
}

function deselezionato(objEl){
	objEl.style.backgroundColor = "#ffffff";
}

function cerca(pagina){
	var ricercaForm = document.getElementById("ricerca_form");
	
	ricercaForm.pagina.value = pagina;
	ricercaForm.submit();
}

window.addEvent('domready', function() {
	$$('img.rollover').each(function(img) {
		var src = img.getProperty('src');
		var extension = src.substring(src.lastIndexOf('.'),src.length)
		img.addEvent('mouseenter', function() { img.setProperty('src',src.replace(extension,'_selected' + extension)); });
		img.addEvent('mouseleave', function() { img.setProperty('src',src); });
	});
});